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Finding the Fourth Proportional to 363.98, 502.24 and 224.12

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Solution

The fourth proportional to 363.98, 502.24 and 224.12 is: 309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.98 : 502.24 = 224.12 : x
  2. Step 2: Convert to fraction form
    363.98/502.24 = 224.12/x
  3. Step 3: Cross multiply
    363.98x = 502.24 × 224.12
  4. Step 4: Simplify right side
    363.98x = 112,560.91
  5. Step 5: Solve for x
    x = 112,560.91/363.98
  6. Step 6: Final answer
    x = 309.25

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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.