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Finding the Fourth Proportional to 182.71, 251.87 and 127.29

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Solution

The fourth proportional to 182.71, 251.87 and 127.29 is: 175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.71 : 251.87 = 127.29 : x
  2. Step 2: Convert to fraction form
    182.71/251.87 = 127.29/x
  3. Step 3: Cross multiply
    182.71x = 251.87 × 127.29
  4. Step 4: Simplify right side
    182.71x = 32,060.53
  5. Step 5: Solve for x
    x = 32,060.53/182.71
  6. Step 6: Final answer
    x = 175.47

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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.