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Finding the Fourth Proportional to 175.33, 263.92 and 135.22

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Solution

The fourth proportional to 175.33, 263.92 and 135.22 is: 203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.33 : 263.92 = 135.22 : x
  2. Step 2: Convert to fraction form
    175.33/263.92 = 135.22/x
  3. Step 3: Cross multiply
    175.33x = 263.92 × 135.22
  4. Step 4: Simplify right side
    175.33x = 35,687.26
  5. Step 5: Solve for x
    x = 35,687.26/175.33
  6. Step 6: Final answer
    x = 203.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.