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Finding the Fourth Proportional to 336.26, 464.24 and 225.90

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Solution

The fourth proportional to 336.26, 464.24 and 225.90 is: 311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.26 : 464.24 = 225.90 : x
  2. Step 2: Convert to fraction form
    336.26/464.24 = 225.90/x
  3. Step 3: Cross multiply
    336.26x = 464.24 × 225.90
  4. Step 4: Simplify right side
    336.26x = 104,871.82
  5. Step 5: Solve for x
    x = 104,871.82/336.26
  6. Step 6: Final answer
    x = 311.88

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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.