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Finding the Fourth Proportional to 224.92, 335.68 and 219.16

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Solution

The fourth proportional to 224.92, 335.68 and 219.16 is: 327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.92 : 335.68 = 219.16 : x
  2. Step 2: Convert to fraction form
    224.92/335.68 = 219.16/x
  3. Step 3: Cross multiply
    224.92x = 335.68 × 219.16
  4. Step 4: Simplify right side
    224.92x = 73,567.63
  5. Step 5: Solve for x
    x = 73,567.63/224.92
  6. Step 6: Final answer
    x = 327.08

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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.