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Finding the Fourth Proportional to 233.96, 349.97 and 211.46

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Solution

The fourth proportional to 233.96, 349.97 and 211.46 is: 316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.96 : 349.97 = 211.46 : x
  2. Step 2: Convert to fraction form
    233.96/349.97 = 211.46/x
  3. Step 3: Cross multiply
    233.96x = 349.97 × 211.46
  4. Step 4: Simplify right side
    233.96x = 74,001.85
  5. Step 5: Solve for x
    x = 74,001.85/233.96
  6. Step 6: Final answer
    x = 316.31

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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.