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Finding the Fourth Proportional to 650.52, 897.56 and 370.76

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Solution

The fourth proportional to 650.52, 897.56 and 370.76 is: 511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.52 : 897.56 = 370.76 : x
  2. Step 2: Convert to fraction form
    650.52/897.56 = 370.76/x
  3. Step 3: Cross multiply
    650.52x = 897.56 × 370.76
  4. Step 4: Simplify right side
    650.52x = 332,779.35
  5. Step 5: Solve for x
    x = 332,779.35/650.52
  6. Step 6: Final answer
    x = 511.56

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Find fourth proportional to 325.26, 448.78 and 185.38
Half scale
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Double scale
Find fourth proportional to 651.52, 898.94 and 371.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.