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Finding the Fourth Proportional to 244.31, 337.14 and 133.78

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Solution

The fourth proportional to 244.31, 337.14 and 133.78 is: 184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.31 : 337.14 = 133.78 : x
  2. Step 2: Convert to fraction form
    244.31/337.14 = 133.78/x
  3. Step 3: Cross multiply
    244.31x = 337.14 × 133.78
  4. Step 4: Simplify right side
    244.31x = 45,100.23
  5. Step 5: Solve for x
    x = 45,100.23/244.31
  6. Step 6: Final answer
    x = 184.61

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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.