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Finding the Fourth Proportional to 218.17, 326.98 and 182.17

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Solution

The fourth proportional to 218.17, 326.98 and 182.17 is: 273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218.17 : 326.98 = 182.17 : x
  2. Step 2: Convert to fraction form
    218.17/326.98 = 182.17/x
  3. Step 3: Cross multiply
    218.17x = 326.98 × 182.17
  4. Step 4: Simplify right side
    218.17x = 59,565.04
  5. Step 5: Solve for x
    x = 59,565.04/218.17
  6. Step 6: Final answer
    x = 273.02

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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.