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Finding the Fourth Proportional to 244.34, 366.37 and 81.93

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Solution

The fourth proportional to 244.34, 366.37 and 81.93 is: 122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.34 : 366.37 = 81.93 : x
  2. Step 2: Convert to fraction form
    244.34/366.37 = 81.93/x
  3. Step 3: Cross multiply
    244.34x = 366.37 × 81.93
  4. Step 4: Simplify right side
    244.34x = 30,016.28
  5. Step 5: Solve for x
    x = 30,016.28/244.34
  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.