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Finding the Fourth Proportional to 206.73, 281.70 and 206.01

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Solution

The fourth proportional to 206.73, 281.70 and 206.01 is: 280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.73 : 281.70 = 206.01 : x
  2. Step 2: Convert to fraction form
    206.73/281.70 = 206.01/x
  3. Step 3: Cross multiply
    206.73x = 281.70 × 206.01
  4. Step 4: Simplify right side
    206.73x = 58,033.02
  5. Step 5: Solve for x
    x = 58,033.02/206.73
  6. Step 6: Final answer
    x = 280.72

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.