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Finding the Fourth Proportional to 932.24, 1,398.62 and 377.12

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Solution

The fourth proportional to 932.24, 1,398.62 and 377.12 is: 565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.24 : 1,398.62 = 377.12 : x
  2. Step 2: Convert to fraction form
    932.24/1,398.62 = 377.12/x
  3. Step 3: Cross multiply
    932.24x = 1,398.62 × 377.12
  4. Step 4: Simplify right side
    932.24x = 527,447.57
  5. Step 5: Solve for x
    x = 527,447.57/932.24
  6. Step 6: Final answer
    x = 565.79

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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.