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Finding the Fourth Proportional to 650.38, 897.49 and 370.57

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Solution

The fourth proportional to 650.38, 897.49 and 370.57 is: 511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.38 : 897.49 = 370.57 : x
  2. Step 2: Convert to fraction form
    650.38/897.49 = 370.57/x
  3. Step 3: Cross multiply
    650.38x = 897.49 × 370.57
  4. Step 4: Simplify right side
    650.38x = 332,582.87
  5. Step 5: Solve for x
    x = 332,582.87/650.38
  6. Step 6: Final answer
    x = 511.37

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Double scale
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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.