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Finding the Fourth Proportional to 204.28, 306.06 and 199.96

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Solution

The fourth proportional to 204.28, 306.06 and 199.96 is: 299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.28 : 306.06 = 199.96 : x
  2. Step 2: Convert to fraction form
    204.28/306.06 = 199.96/x
  3. Step 3: Cross multiply
    204.28x = 306.06 × 199.96
  4. Step 4: Simplify right side
    204.28x = 61,199.76
  5. Step 5: Solve for x
    x = 61,199.76/204.28
  6. Step 6: Final answer
    x = 299.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.