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Finding the Fourth Proportional to 233.08, 348.99 and 163.42

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Solution

The fourth proportional to 233.08, 348.99 and 163.42 is: 244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.08 : 348.99 = 163.42 : x
  2. Step 2: Convert to fraction form
    233.08/348.99 = 163.42/x
  3. Step 3: Cross multiply
    233.08x = 348.99 × 163.42
  4. Step 4: Simplify right side
    233.08x = 57,031.95
  5. Step 5: Solve for x
    x = 57,031.95/233.08
  6. Step 6: Final answer
    x = 244.69

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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.