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Finding the Fourth Proportional to 169.58, 233.75 and 132.68

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Solution

The fourth proportional to 169.58, 233.75 and 132.68 is: 182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.58 : 233.75 = 132.68 : x
  2. Step 2: Convert to fraction form
    169.58/233.75 = 132.68/x
  3. Step 3: Cross multiply
    169.58x = 233.75 × 132.68
  4. Step 4: Simplify right side
    169.58x = 31,013.95
  5. Step 5: Solve for x
    x = 31,013.95/169.58
  6. Step 6: Final answer
    x = 182.89

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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.