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Finding the Fourth Proportional to 216.59, 326.16 and 195.17

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Solution

The fourth proportional to 216.59, 326.16 and 195.17 is: 293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.59 : 326.16 = 195.17 : x
  2. Step 2: Convert to fraction form
    216.59/326.16 = 195.17/x
  3. Step 3: Cross multiply
    216.59x = 326.16 × 195.17
  4. Step 4: Simplify right side
    216.59x = 63,655.02
  5. Step 5: Solve for x
    x = 63,655.02/216.59
  6. Step 6: Final answer
    x = 293.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.