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Finding the Fourth Proportional to 224.49, 335.86 and 198.52

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Solution

The fourth proportional to 224.49, 335.86 and 198.52 is: 297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.49 : 335.86 = 198.52 : x
  2. Step 2: Convert to fraction form
    224.49/335.86 = 198.52/x
  3. Step 3: Cross multiply
    224.49x = 335.86 × 198.52
  4. Step 4: Simplify right side
    224.49x = 66,673.59
  5. Step 5: Solve for x
    x = 66,673.59/224.49
  6. Step 6: Final answer
    x = 297.00

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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.