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Finding the Fourth Proportional to 224.94, 335.74 and 219.48

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Solution

The fourth proportional to 224.94, 335.74 and 219.48 is: 327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.94 : 335.74 = 219.48 : x
  2. Step 2: Convert to fraction form
    224.94/335.74 = 219.48/x
  3. Step 3: Cross multiply
    224.94x = 335.74 × 219.48
  4. Step 4: Simplify right side
    224.94x = 73,686.20
  5. Step 5: Solve for x
    x = 73,686.20/224.94
  6. Step 6: Final answer
    x = 327.58

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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.