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Finding the Fourth Proportional to 227.97, 341.49 and 112.07

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Solution

The fourth proportional to 227.97, 341.49 and 112.07 is: 167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.97 : 341.49 = 112.07 : x
  2. Step 2: Convert to fraction form
    227.97/341.49 = 112.07/x
  3. Step 3: Cross multiply
    227.97x = 341.49 × 112.07
  4. Step 4: Simplify right side
    227.97x = 38,269.08
  5. Step 5: Solve for x
    x = 38,269.08/227.97
  6. Step 6: Final answer
    x = 167.87

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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.