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Finding the Fourth Proportional to 531.53, 792.96 and 517.94

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Solution

The fourth proportional to 531.53, 792.96 and 517.94 is: 772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.53 : 792.96 = 517.94 : x
  2. Step 2: Convert to fraction form
    531.53/792.96 = 517.94/x
  3. Step 3: Cross multiply
    531.53x = 792.96 × 517.94
  4. Step 4: Simplify right side
    531.53x = 410,711.60
  5. Step 5: Solve for x
    x = 410,711.60/531.53
  6. Step 6: Final answer
    x = 772.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.