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Finding the Fourth Proportional to 148.44, 204.39 and 126.27

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Solution

The fourth proportional to 148.44, 204.39 and 126.27 is: 173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.44 : 204.39 = 126.27 : x
  2. Step 2: Convert to fraction form
    148.44/204.39 = 126.27/x
  3. Step 3: Cross multiply
    148.44x = 204.39 × 126.27
  4. Step 4: Simplify right side
    148.44x = 25,807.69
  5. Step 5: Solve for x
    x = 25,807.69/148.44
  6. Step 6: Final answer
    x = 173.86

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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.