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Finding the Fourth Proportional to 232.38, 348.47 and 88

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Solution

The fourth proportional to 232.38, 348.47 and 88 is: 131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.38 : 348.47 = 88 : x
  2. Step 2: Convert to fraction form
    232.38/348.47 = 88/x
  3. Step 3: Cross multiply
    232.38x = 348.47 × 88
  4. Step 4: Simplify right side
    232.38x = 30,665.36
  5. Step 5: Solve for x
    x = 30,665.36/232.38
  6. Step 6: Final answer
    x = 131.96

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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.