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Finding the Fourth Proportional to 244.04, 365.92 and 81.72

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Solution

The fourth proportional to 244.04, 365.92 and 81.72 is: 122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.04 : 365.92 = 81.72 : x
  2. Step 2: Convert to fraction form
    244.04/365.92 = 81.72/x
  3. Step 3: Cross multiply
    244.04x = 365.92 × 81.72
  4. Step 4: Simplify right side
    244.04x = 29,902.98
  5. Step 5: Solve for x
    x = 29,902.98/244.04
  6. Step 6: Final answer
    x = 122.53

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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.