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Finding the Fourth Proportional to 232.68, 348.90 and 104.44

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Solution

The fourth proportional to 232.68, 348.90 and 104.44 is: 156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.68 : 348.90 = 104.44 : x
  2. Step 2: Convert to fraction form
    232.68/348.90 = 104.44/x
  3. Step 3: Cross multiply
    232.68x = 348.90 × 104.44
  4. Step 4: Simplify right side
    232.68x = 36,439.12
  5. Step 5: Solve for x
    x = 36,439.12/232.68
  6. Step 6: Final answer
    x = 156.61

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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.