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Finding the Fourth Proportional to 223.97, 336.41 and 132.85

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Solution

The fourth proportional to 223.97, 336.41 and 132.85 is: 199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.97 : 336.41 = 132.85 : x
  2. Step 2: Convert to fraction form
    223.97/336.41 = 132.85/x
  3. Step 3: Cross multiply
    223.97x = 336.41 × 132.85
  4. Step 4: Simplify right side
    223.97x = 44,691.18
  5. Step 5: Solve for x
    x = 44,691.18/223.97
  6. Step 6: Final answer
    x = 199.54

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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.