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Finding the Fourth Proportional to 227.46, 341.82 and 221.97

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Solution

The fourth proportional to 227.46, 341.82 and 221.97 is: 333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.46 : 341.82 = 221.97 : x
  2. Step 2: Convert to fraction form
    227.46/341.82 = 221.97/x
  3. Step 3: Cross multiply
    227.46x = 341.82 × 221.97
  4. Step 4: Simplify right side
    227.46x = 75,873.79
  5. Step 5: Solve for x
    x = 75,873.79/227.46
  6. Step 6: Final answer
    x = 333.57

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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.