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Finding the Fourth Proportional to 223.70, 334.94 and 222.48

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Solution

The fourth proportional to 223.70, 334.94 and 222.48 is: 333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.70 : 334.94 = 222.48 : x
  2. Step 2: Convert to fraction form
    223.70/334.94 = 222.48/x
  3. Step 3: Cross multiply
    223.70x = 334.94 × 222.48
  4. Step 4: Simplify right side
    223.70x = 74,516.34
  5. Step 5: Solve for x
    x = 74,516.34/223.70
  6. Step 6: Final answer
    x = 333.12

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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.