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Finding the Fourth Proportional to 731.97, 1,010.32 and 452.16

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Solution

The fourth proportional to 731.97, 1,010.32 and 452.16 is: 624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.97 : 1,010.32 = 452.16 : x
  2. Step 2: Convert to fraction form
    731.97/1,010.32 = 452.16/x
  3. Step 3: Cross multiply
    731.97x = 1,010.32 × 452.16
  4. Step 4: Simplify right side
    731.97x = 456,825.16
  5. Step 5: Solve for x
    x = 456,825.16/731.97
  6. Step 6: Final answer
    x = 624.10

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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.