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Finding the Fourth Proportional to 265.25, 396.01 and 226.75

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Solution

The fourth proportional to 265.25, 396.01 and 226.75 is: 338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.25 : 396.01 = 226.75 : x
  2. Step 2: Convert to fraction form
    265.25/396.01 = 226.75/x
  3. Step 3: Cross multiply
    265.25x = 396.01 × 226.75
  4. Step 4: Simplify right side
    265.25x = 89,793.29
  5. Step 5: Solve for x
    x = 89,793.29/265.25
  6. Step 6: Final answer
    x = 338.52

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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.