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Finding the Fourth Proportional to 206.03, 283.95 and 203.19

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Solution

The fourth proportional to 206.03, 283.95 and 203.19 is: 280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.03 : 283.95 = 203.19 : x
  2. Step 2: Convert to fraction form
    206.03/283.95 = 203.19/x
  3. Step 3: Cross multiply
    206.03x = 283.95 × 203.19
  4. Step 4: Simplify right side
    206.03x = 57,695.80
  5. Step 5: Solve for x
    x = 57,695.80/206.03
  6. Step 6: Final answer
    x = 280.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.