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Finding the Fourth Proportional to 363.31, 500.52 and 251.17

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Solution

The fourth proportional to 363.31, 500.52 and 251.17 is: 346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.31 : 500.52 = 251.17 : x
  2. Step 2: Convert to fraction form
    363.31/500.52 = 251.17/x
  3. Step 3: Cross multiply
    363.31x = 500.52 × 251.17
  4. Step 4: Simplify right side
    363.31x = 125,714.36
  5. Step 5: Solve for x
    x = 125,714.36/363.31
  6. Step 6: Final answer
    x = 346.03

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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.