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Finding the Fourth Proportional to 233.82, 350.90 and 173.11

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Solution

The fourth proportional to 233.82, 350.90 and 173.11 is: 259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.82 : 350.90 = 173.11 : x
  2. Step 2: Convert to fraction form
    233.82/350.90 = 173.11/x
  3. Step 3: Cross multiply
    233.82x = 350.90 × 173.11
  4. Step 4: Simplify right side
    233.82x = 60,744.30
  5. Step 5: Solve for x
    x = 60,744.30/233.82
  6. Step 6: Final answer
    x = 259.79

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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.