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Finding the Fourth Proportional to 229.24, 343.34 and 168.22

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Solution

The fourth proportional to 229.24, 343.34 and 168.22 is: 251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.24 : 343.34 = 168.22 : x
  2. Step 2: Convert to fraction form
    229.24/343.34 = 168.22/x
  3. Step 3: Cross multiply
    229.24x = 343.34 × 168.22
  4. Step 4: Simplify right side
    229.24x = 57,756.65
  5. Step 5: Solve for x
    x = 57,756.65/229.24
  6. Step 6: Final answer
    x = 251.95

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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.