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Finding the Fourth Proportional to 235.29, 350.49 and 223.44

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Solution

The fourth proportional to 235.29, 350.49 and 223.44 is: 332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.29 : 350.49 = 223.44 : x
  2. Step 2: Convert to fraction form
    235.29/350.49 = 223.44/x
  3. Step 3: Cross multiply
    235.29x = 350.49 × 223.44
  4. Step 4: Simplify right side
    235.29x = 78,313.49
  5. Step 5: Solve for x
    x = 78,313.49/235.29
  6. Step 6: Final answer
    x = 332.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.