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Finding the Fourth Proportional to 206.82, 283.41 and 203.94

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Solution

The fourth proportional to 206.82, 283.41 and 203.94 is: 279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.82 : 283.41 = 203.94 : x
  2. Step 2: Convert to fraction form
    206.82/283.41 = 203.94/x
  3. Step 3: Cross multiply
    206.82x = 283.41 × 203.94
  4. Step 4: Simplify right side
    206.82x = 57,798.64
  5. Step 5: Solve for x
    x = 57,798.64/206.82
  6. Step 6: Final answer
    x = 279.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.