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Finding the Fourth Proportional to 206.97, 308.83 and 182.36

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Solution

The fourth proportional to 206.97, 308.83 and 182.36 is: 272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.97 : 308.83 = 182.36 : x
  2. Step 2: Convert to fraction form
    206.97/308.83 = 182.36/x
  3. Step 3: Cross multiply
    206.97x = 308.83 × 182.36
  4. Step 4: Simplify right side
    206.97x = 56,318.24
  5. Step 5: Solve for x
    x = 56,318.24/206.97
  6. Step 6: Final answer
    x = 272.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.