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Finding the Fourth Proportional to 224.74, 310.23 and 175.64

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Solution

The fourth proportional to 224.74, 310.23 and 175.64 is: 242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.74 : 310.23 = 175.64 : x
  2. Step 2: Convert to fraction form
    224.74/310.23 = 175.64/x
  3. Step 3: Cross multiply
    224.74x = 310.23 × 175.64
  4. Step 4: Simplify right side
    224.74x = 54,487.25
  5. Step 5: Solve for x
    x = 54,487.25/224.74
  6. Step 6: Final answer
    x = 242.44

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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.