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Finding the Fourth Proportional to 206.56, 307.88 and 204

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Solution

The fourth proportional to 206.56, 307.88 and 204 is: 304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.56 : 307.88 = 204 : x
  2. Step 2: Convert to fraction form
    206.56/307.88 = 204/x
  3. Step 3: Cross multiply
    206.56x = 307.88 × 204
  4. Step 4: Simplify right side
    206.56x = 62,807.52
  5. Step 5: Solve for x
    x = 62,807.52/206.56
  6. Step 6: Final answer
    x = 304.06

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