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Finding the Fourth Proportional to 222.82, 334.75 and 196.34

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Solution

The fourth proportional to 222.82, 334.75 and 196.34 is: 294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.82 : 334.75 = 196.34 : x
  2. Step 2: Convert to fraction form
    222.82/334.75 = 196.34/x
  3. Step 3: Cross multiply
    222.82x = 334.75 × 196.34
  4. Step 4: Simplify right side
    222.82x = 65,724.82
  5. Step 5: Solve for x
    x = 65,724.82/222.82
  6. Step 6: Final answer
    x = 294.97

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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.