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Finding the Fourth Proportional to 250.39, 374.88 and 163.83

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Solution

The fourth proportional to 250.39, 374.88 and 163.83 is: 245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.39 : 374.88 = 163.83 : x
  2. Step 2: Convert to fraction form
    250.39/374.88 = 163.83/x
  3. Step 3: Cross multiply
    250.39x = 374.88 × 163.83
  4. Step 4: Simplify right side
    250.39x = 61,416.59
  5. Step 5: Solve for x
    x = 61,416.59/250.39
  6. Step 6: Final answer
    x = 245.28

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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.