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Finding the Fourth Proportional to 233.22, 349.34 and 151.82

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Solution

The fourth proportional to 233.22, 349.34 and 151.82 is: 227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.22 : 349.34 = 151.82 : x
  2. Step 2: Convert to fraction form
    233.22/349.34 = 151.82/x
  3. Step 3: Cross multiply
    233.22x = 349.34 × 151.82
  4. Step 4: Simplify right side
    233.22x = 53,036.80
  5. Step 5: Solve for x
    x = 53,036.80/233.22
  6. Step 6: Final answer
    x = 227.41

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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.