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Finding the Fourth Proportional to 232.73, 351.11 and 221.35

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Solution

The fourth proportional to 232.73, 351.11 and 221.35 is: 333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.73 : 351.11 = 221.35 : x
  2. Step 2: Convert to fraction form
    232.73/351.11 = 221.35/x
  3. Step 3: Cross multiply
    232.73x = 351.11 × 221.35
  4. Step 4: Simplify right side
    232.73x = 77,718.20
  5. Step 5: Solve for x
    x = 77,718.20/232.73
  6. Step 6: Final answer
    x = 333.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.