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Finding the Fourth Proportional to 234.24, 350.88 and 225.84

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Solution

The fourth proportional to 234.24, 350.88 and 225.84 is: 338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.24 : 350.88 = 225.84 : x
  2. Step 2: Convert to fraction form
    234.24/350.88 = 225.84/x
  3. Step 3: Cross multiply
    234.24x = 350.88 × 225.84
  4. Step 4: Simplify right side
    234.24x = 79,242.74
  5. Step 5: Solve for x
    x = 79,242.74/234.24
  6. Step 6: Final answer
    x = 338.30

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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.