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Finding the Fourth Proportional to 250.98, 346.41 and 163.68

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Solution

The fourth proportional to 250.98, 346.41 and 163.68 is: 225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.98 : 346.41 = 163.68 : x
  2. Step 2: Convert to fraction form
    250.98/346.41 = 163.68/x
  3. Step 3: Cross multiply
    250.98x = 346.41 × 163.68
  4. Step 4: Simplify right side
    250.98x = 56,700.39
  5. Step 5: Solve for x
    x = 56,700.39/250.98
  6. Step 6: Final answer
    x = 225.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.