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Finding the Fourth Proportional to 622.26, 932.22 and 499.11

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Solution

The fourth proportional to 622.26, 932.22 and 499.11 is: 747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.26 : 932.22 = 499.11 : x
  2. Step 2: Convert to fraction form
    622.26/932.22 = 499.11/x
  3. Step 3: Cross multiply
    622.26x = 932.22 × 499.11
  4. Step 4: Simplify right side
    622.26x = 465,280.32
  5. Step 5: Solve for x
    x = 465,280.32/622.26
  6. Step 6: Final answer
    x = 747.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.