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Finding the Fourth Proportional to 232.68, 347.43 and 188.85

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Solution

The fourth proportional to 232.68, 347.43 and 188.85 is: 281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.68 : 347.43 = 188.85 : x
  2. Step 2: Convert to fraction form
    232.68/347.43 = 188.85/x
  3. Step 3: Cross multiply
    232.68x = 347.43 × 188.85
  4. Step 4: Simplify right side
    232.68x = 65,612.16
  5. Step 5: Solve for x
    x = 65,612.16/232.68
  6. Step 6: Final answer
    x = 281.98

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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.