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Finding the Fourth Proportional to 232.13, 347.67 and 149.92

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Solution

The fourth proportional to 232.13, 347.67 and 149.92 is: 224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.13 : 347.67 = 149.92 : x
  2. Step 2: Convert to fraction form
    232.13/347.67 = 149.92/x
  3. Step 3: Cross multiply
    232.13x = 347.67 × 149.92
  4. Step 4: Simplify right side
    232.13x = 52,122.69
  5. Step 5: Solve for x
    x = 52,122.69/232.13
  6. Step 6: Final answer
    x = 224.54

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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.