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Finding the Fourth Proportional to 531.11, 733.15 and 517.14

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Solution

The fourth proportional to 531.11, 733.15 and 517.14 is: 713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.11 : 733.15 = 517.14 : x
  2. Step 2: Convert to fraction form
    531.11/733.15 = 517.14/x
  3. Step 3: Cross multiply
    531.11x = 733.15 × 517.14
  4. Step 4: Simplify right side
    531.11x = 379,138.61
  5. Step 5: Solve for x
    x = 379,138.61/531.11
  6. Step 6: Final answer
    x = 713.86

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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.