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Finding the Fourth Proportional to 254.03, 379.10 and 226.69

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Solution

The fourth proportional to 254.03, 379.10 and 226.69 is: 338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.03 : 379.10 = 226.69 : x
  2. Step 2: Convert to fraction form
    254.03/379.10 = 226.69/x
  3. Step 3: Cross multiply
    254.03x = 379.10 × 226.69
  4. Step 4: Simplify right side
    254.03x = 85,938.18
  5. Step 5: Solve for x
    x = 85,938.18/254.03
  6. Step 6: Final answer
    x = 338.30

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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.