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Finding the Fourth Proportional to 250.88, 374.72 and 226.45

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Solution

The fourth proportional to 250.88, 374.72 and 226.45 is: 338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.88 : 374.72 = 226.45 : x
  2. Step 2: Convert to fraction form
    250.88/374.72 = 226.45/x
  3. Step 3: Cross multiply
    250.88x = 374.72 × 226.45
  4. Step 4: Simplify right side
    250.88x = 84,854.97
  5. Step 5: Solve for x
    x = 84,854.97/250.88
  6. Step 6: Final answer
    x = 338.24

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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.