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Finding the Fourth Proportional to 224.25, 336.22 and 159.25

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Solution

The fourth proportional to 224.25, 336.22 and 159.25 is: 238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.25 : 336.22 = 159.25 : x
  2. Step 2: Convert to fraction form
    224.25/336.22 = 159.25/x
  3. Step 3: Cross multiply
    224.25x = 336.22 × 159.25
  4. Step 4: Simplify right side
    224.25x = 53,542.19
  5. Step 5: Solve for x
    x = 53,542.19/224.25
  6. Step 6: Final answer
    x = 238.76

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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.