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Finding the Fourth Proportional to 244.33, 366.39 and 81.92

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Solution

The fourth proportional to 244.33, 366.39 and 81.92 is: 122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.33 : 366.39 = 81.92 : x
  2. Step 2: Convert to fraction form
    244.33/366.39 = 81.92/x
  3. Step 3: Cross multiply
    244.33x = 366.39 × 81.92
  4. Step 4: Simplify right side
    244.33x = 30,015.58
  5. Step 5: Solve for x
    x = 30,015.58/244.33
  6. Step 6: Final answer
    x = 122.85

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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.