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Finding the Fourth Proportional to 224.28, 308.94 and 175.14

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Solution

The fourth proportional to 224.28, 308.94 and 175.14 is: 241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.28 : 308.94 = 175.14 : x
  2. Step 2: Convert to fraction form
    224.28/308.94 = 175.14/x
  3. Step 3: Cross multiply
    224.28x = 308.94 × 175.14
  4. Step 4: Simplify right side
    224.28x = 54,107.75
  5. Step 5: Solve for x
    x = 54,107.75/224.28
  6. Step 6: Final answer
    x = 241.25

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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.