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Finding the Fourth Proportional to 650.76, 897.06 and 482.28

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Solution

The fourth proportional to 650.76, 897.06 and 482.28 is: 664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.76 : 897.06 = 482.28 : x
  2. Step 2: Convert to fraction form
    650.76/897.06 = 482.28/x
  3. Step 3: Cross multiply
    650.76x = 897.06 × 482.28
  4. Step 4: Simplify right side
    650.76x = 432,634.10
  5. Step 5: Solve for x
    x = 432,634.10/650.76
  6. Step 6: Final answer
    x = 664.81

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Find fourth proportional to 325.38, 448.53 and 241.14
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Double scale
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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.