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Finding the Fourth Proportional to 180.33, 248.92 and 114.82

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Solution

The fourth proportional to 180.33, 248.92 and 114.82 is: 158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.33 : 248.92 = 114.82 : x
  2. Step 2: Convert to fraction form
    180.33/248.92 = 114.82/x
  3. Step 3: Cross multiply
    180.33x = 248.92 × 114.82
  4. Step 4: Simplify right side
    180.33x = 28,580.73
  5. Step 5: Solve for x
    x = 28,580.73/180.33
  6. Step 6: Final answer
    x = 158.49

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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.