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Finding the Fourth Proportional to 224.53, 310.01 and 198.10

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Solution

The fourth proportional to 224.53, 310.01 and 198.10 is: 273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.53 : 310.01 = 198.10 : x
  2. Step 2: Convert to fraction form
    224.53/310.01 = 198.10/x
  3. Step 3: Cross multiply
    224.53x = 310.01 × 198.10
  4. Step 4: Simplify right side
    224.53x = 61,411.22
  5. Step 5: Solve for x
    x = 61,411.22/224.53
  6. Step 6: Final answer
    x = 273.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.