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Finding the Fourth Proportional to 224.56, 310.13 and 150.75

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Solution

The fourth proportional to 224.56, 310.13 and 150.75 is: 208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.56 : 310.13 = 150.75 : x
  2. Step 2: Convert to fraction form
    224.56/310.13 = 150.75/x
  3. Step 3: Cross multiply
    224.56x = 310.13 × 150.75
  4. Step 4: Simplify right side
    224.56x = 46,752.10
  5. Step 5: Solve for x
    x = 46,752.10/224.56
  6. Step 6: Final answer
    x = 208.19

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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.