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Finding the Fourth Proportional to 225.46, 336.22 and 223.41

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Solution

The fourth proportional to 225.46, 336.22 and 223.41 is: 333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.46 : 336.22 = 223.41 : x
  2. Step 2: Convert to fraction form
    225.46/336.22 = 223.41/x
  3. Step 3: Cross multiply
    225.46x = 336.22 × 223.41
  4. Step 4: Simplify right side
    225.46x = 75,113.72
  5. Step 5: Solve for x
    x = 75,113.72/225.46
  6. Step 6: Final answer
    x = 333.16

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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.