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Finding the Fourth Proportional to 244.27, 366.27 and 128.44

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Solution

The fourth proportional to 244.27, 366.27 and 128.44 is: 192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.27 : 366.27 = 128.44 : x
  2. Step 2: Convert to fraction form
    244.27/366.27 = 128.44/x
  3. Step 3: Cross multiply
    244.27x = 366.27 × 128.44
  4. Step 4: Simplify right side
    244.27x = 47,042.80
  5. Step 5: Solve for x
    x = 47,042.80/244.27
  6. Step 6: Final answer
    x = 192.59

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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.