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Finding the Fourth Proportional to 175.26, 260.82 and 169.42

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Solution

The fourth proportional to 175.26, 260.82 and 169.42 is: 252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.26 : 260.82 = 169.42 : x
  2. Step 2: Convert to fraction form
    175.26/260.82 = 169.42/x
  3. Step 3: Cross multiply
    175.26x = 260.82 × 169.42
  4. Step 4: Simplify right side
    175.26x = 44,188.87
  5. Step 5: Solve for x
    x = 44,188.87/175.26
  6. Step 6: Final answer
    x = 252.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.