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Finding the Fourth Proportional to 169.41, 233.46 and 132.51

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Solution

The fourth proportional to 169.41, 233.46 and 132.51 is: 182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.41 : 233.46 = 132.51 : x
  2. Step 2: Convert to fraction form
    169.41/233.46 = 132.51/x
  3. Step 3: Cross multiply
    169.41x = 233.46 × 132.51
  4. Step 4: Simplify right side
    169.41x = 30,935.78
  5. Step 5: Solve for x
    x = 30,935.78/169.41
  6. Step 6: Final answer
    x = 182.61

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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.