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Finding the Fourth Proportional to 169.64, 234.12 and 95.98

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Solution

The fourth proportional to 169.64, 234.12 and 95.98 is: 132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.64 : 234.12 = 95.98 : x
  2. Step 2: Convert to fraction form
    169.64/234.12 = 95.98/x
  3. Step 3: Cross multiply
    169.64x = 234.12 × 95.98
  4. Step 4: Simplify right side
    169.64x = 22,470.36
  5. Step 5: Solve for x
    x = 22,470.36/169.64
  6. Step 6: Final answer
    x = 132.46

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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.