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Finding the Fourth Proportional to 254.80, 379.29 and 252.04

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Solution

The fourth proportional to 254.80, 379.29 and 252.04 is: 375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.80 : 379.29 = 252.04 : x
  2. Step 2: Convert to fraction form
    254.80/379.29 = 252.04/x
  3. Step 3: Cross multiply
    254.80x = 379.29 × 252.04
  4. Step 4: Simplify right side
    254.80x = 95,596.25
  5. Step 5: Solve for x
    x = 95,596.25/254.80
  6. Step 6: Final answer
    x = 375.18

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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.