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Finding the Fourth Proportional to 179.97, 248.38 and 114.66

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Solution

The fourth proportional to 179.97, 248.38 and 114.66 is: 158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.97 : 248.38 = 114.66 : x
  2. Step 2: Convert to fraction form
    179.97/248.38 = 114.66/x
  3. Step 3: Cross multiply
    179.97x = 248.38 × 114.66
  4. Step 4: Simplify right side
    179.97x = 28,480.16
  5. Step 5: Solve for x
    x = 28,480.16/179.97
  6. Step 6: Final answer
    x = 158.25

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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.