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Finding the Fourth Proportional to 223.16, 335.34 and 151.46

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Solution

The fourth proportional to 223.16, 335.34 and 151.46 is: 227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.16 : 335.34 = 151.46 : x
  2. Step 2: Convert to fraction form
    223.16/335.34 = 151.46/x
  3. Step 3: Cross multiply
    223.16x = 335.34 × 151.46
  4. Step 4: Simplify right side
    223.16x = 50,790.60
  5. Step 5: Solve for x
    x = 50,790.60/223.16
  6. Step 6: Final answer
    x = 227.60

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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.