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Finding the Fourth Proportional to 175.25, 263.18 and 166.13

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Solution

The fourth proportional to 175.25, 263.18 and 166.13 is: 249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.25 : 263.18 = 166.13 : x
  2. Step 2: Convert to fraction form
    175.25/263.18 = 166.13/x
  3. Step 3: Cross multiply
    175.25x = 263.18 × 166.13
  4. Step 4: Simplify right side
    175.25x = 43,721.26
  5. Step 5: Solve for x
    x = 43,721.26/175.25
  6. Step 6: Final answer
    x = 249.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.