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Finding the Fourth Proportional to 363.29, 544.05 and 226.16

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Solution

The fourth proportional to 363.29, 544.05 and 226.16 is: 338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.29 : 544.05 = 226.16 : x
  2. Step 2: Convert to fraction form
    363.29/544.05 = 226.16/x
  3. Step 3: Cross multiply
    363.29x = 544.05 × 226.16
  4. Step 4: Simplify right side
    363.29x = 123,041.67
  5. Step 5: Solve for x
    x = 123,041.67/363.29
  6. Step 6: Final answer
    x = 338.69

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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.