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Finding the Fourth Proportional to 233.60, 350.33 and 147.46

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Solution

The fourth proportional to 233.60, 350.33 and 147.46 is: 221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.60 : 350.33 = 147.46 : x
  2. Step 2: Convert to fraction form
    233.60/350.33 = 147.46/x
  3. Step 3: Cross multiply
    233.60x = 350.33 × 147.46
  4. Step 4: Simplify right side
    233.60x = 51,659.66
  5. Step 5: Solve for x
    x = 51,659.66/233.60
  6. Step 6: Final answer
    x = 221.15

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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.