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Finding the Fourth Proportional to 517.88, 773.11 and 499.88

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Solution

The fourth proportional to 517.88, 773.11 and 499.88 is: 746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.88 : 773.11 = 499.88 : x
  2. Step 2: Convert to fraction form
    517.88/773.11 = 499.88/x
  3. Step 3: Cross multiply
    517.88x = 773.11 × 499.88
  4. Step 4: Simplify right side
    517.88x = 386,462.23
  5. Step 5: Solve for x
    x = 386,462.23/517.88
  6. Step 6: Final answer
    x = 746.24

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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.