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Finding the Fourth Proportional to 363.17, 544.91 and 226.32

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Solution

The fourth proportional to 363.17, 544.91 and 226.32 is: 339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.17 : 544.91 = 226.32 : x
  2. Step 2: Convert to fraction form
    363.17/544.91 = 226.32/x
  3. Step 3: Cross multiply
    363.17x = 544.91 × 226.32
  4. Step 4: Simplify right side
    363.17x = 123,322.90
  5. Step 5: Solve for x
    x = 123,322.90/363.17
  6. Step 6: Final answer
    x = 339.58

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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.