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Finding the Fourth Proportional to 179.73, 248.11 and 127.29

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Solution

The fourth proportional to 179.73, 248.11 and 127.29 is: 175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.73 : 248.11 = 127.29 : x
  2. Step 2: Convert to fraction form
    179.73/248.11 = 127.29/x
  3. Step 3: Cross multiply
    179.73x = 248.11 × 127.29
  4. Step 4: Simplify right side
    179.73x = 31,580.67
  5. Step 5: Solve for x
    x = 31,580.67/179.73
  6. Step 6: Final answer
    x = 175.71

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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.