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Finding the Fourth Proportional to 244.12, 337.13 and 161.29

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Solution

The fourth proportional to 244.12, 337.13 and 161.29 is: 222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.12 : 337.13 = 161.29 : x
  2. Step 2: Convert to fraction form
    244.12/337.13 = 161.29/x
  3. Step 3: Cross multiply
    244.12x = 337.13 × 161.29
  4. Step 4: Simplify right side
    244.12x = 54,375.70
  5. Step 5: Solve for x
    x = 54,375.70/244.12
  6. Step 6: Final answer
    x = 222.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.