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Finding the Fourth Proportional to 252.29, 377.62 and 225.29

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Solution

The fourth proportional to 252.29, 377.62 and 225.29 is: 337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.29 : 377.62 = 225.29 : x
  2. Step 2: Convert to fraction form
    252.29/377.62 = 225.29/x
  3. Step 3: Cross multiply
    252.29x = 377.62 × 225.29
  4. Step 4: Simplify right side
    252.29x = 85,074.01
  5. Step 5: Solve for x
    x = 85,074.01/252.29
  6. Step 6: Final answer
    x = 337.21

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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.