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Finding the Fourth Proportional to 169.41, 233.80 and 95.75

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Solution

The fourth proportional to 169.41, 233.80 and 95.75 is: 132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.41 : 233.80 = 95.75 : x
  2. Step 2: Convert to fraction form
    169.41/233.80 = 95.75/x
  3. Step 3: Cross multiply
    169.41x = 233.80 × 95.75
  4. Step 4: Simplify right side
    169.41x = 22,386.35
  5. Step 5: Solve for x
    x = 22,386.35/169.41
  6. Step 6: Final answer
    x = 132.14

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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.