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Finding the Fourth Proportional to 232.18, 347.45 and 160.09

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Solution

The fourth proportional to 232.18, 347.45 and 160.09 is: 239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.18 : 347.45 = 160.09 : x
  2. Step 2: Convert to fraction form
    232.18/347.45 = 160.09/x
  3. Step 3: Cross multiply
    232.18x = 347.45 × 160.09
  4. Step 4: Simplify right side
    232.18x = 55,620.73
  5. Step 5: Solve for x
    x = 55,620.73/232.18
  6. Step 6: Final answer
    x = 239.56

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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.