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Finding the Fourth Proportional to 232.20, 320.36 and 176.85

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Solution

The fourth proportional to 232.20, 320.36 and 176.85 is: 243.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.20 : 320.36 = 176.85 : x
  2. Step 2: Convert to fraction form
    232.20/320.36 = 176.85/x
  3. Step 3: Cross multiply
    232.20x = 320.36 × 176.85
  4. Step 4: Simplify right side
    232.20x = 56,654.78
  5. Step 5: Solve for x
    x = 56,654.78/232.20
  6. Step 6: Final answer
    x = 243.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.