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Finding the Fourth Proportional to 174.46, 263.08 and 171.22

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Solution

The fourth proportional to 174.46, 263.08 and 171.22 is: 258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.46 : 263.08 = 171.22 : x
  2. Step 2: Convert to fraction form
    174.46/263.08 = 171.22/x
  3. Step 3: Cross multiply
    174.46x = 263.08 × 171.22
  4. Step 4: Simplify right side
    174.46x = 45,044.56
  5. Step 5: Solve for x
    x = 45,044.56/174.46
  6. Step 6: Final answer
    x = 258.19

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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.