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Finding the Fourth Proportional to 731.75, 1,010.16 and 452.14

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Solution

The fourth proportional to 731.75, 1,010.16 and 452.14 is: 624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.75 : 1,010.16 = 452.14 : x
  2. Step 2: Convert to fraction form
    731.75/1,010.16 = 452.14/x
  3. Step 3: Cross multiply
    731.75x = 1,010.16 × 452.14
  4. Step 4: Simplify right side
    731.75x = 456,737.68
  5. Step 5: Solve for x
    x = 456,737.68/731.75
  6. Step 6: Final answer
    x = 624.17

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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.