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Finding the Fourth Proportional to 243.27, 363.17 and 234.73

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Solution

The fourth proportional to 243.27, 363.17 and 234.73 is: 350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.27 : 363.17 = 234.73 : x
  2. Step 2: Convert to fraction form
    243.27/363.17 = 234.73/x
  3. Step 3: Cross multiply
    243.27x = 363.17 × 234.73
  4. Step 4: Simplify right side
    243.27x = 85,245.97
  5. Step 5: Solve for x
    x = 85,245.97/243.27
  6. Step 6: Final answer
    x = 350.42

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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.