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Finding the Fourth Proportional to 232.27, 350.05 and 218.59

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Solution

The fourth proportional to 232.27, 350.05 and 218.59 is: 329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.27 : 350.05 = 218.59 : x
  2. Step 2: Convert to fraction form
    232.27/350.05 = 218.59/x
  3. Step 3: Cross multiply
    232.27x = 350.05 × 218.59
  4. Step 4: Simplify right side
    232.27x = 76,517.43
  5. Step 5: Solve for x
    x = 76,517.43/232.27
  6. Step 6: Final answer
    x = 329.43

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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.