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Finding the Fourth Proportional to 250.18, 374.86 and 163.41

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Solution

The fourth proportional to 250.18, 374.86 and 163.41 is: 244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.18 : 374.86 = 163.41 : x
  2. Step 2: Convert to fraction form
    250.18/374.86 = 163.41/x
  3. Step 3: Cross multiply
    250.18x = 374.86 × 163.41
  4. Step 4: Simplify right side
    250.18x = 61,255.87
  5. Step 5: Solve for x
    x = 61,255.87/250.18
  6. Step 6: Final answer
    x = 244.85

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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.