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Finding the Fourth Proportional to 206, 283.68 and 185.24

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Solution

The fourth proportional to 206, 283.68 and 185.24 is: 255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    206 : 283.68 = 185.24 : x
  2. Step 2: Convert to fraction form
    206/283.68 = 185.24/x
  3. Step 3: Cross multiply
    206x = 283.68 × 185.24
  4. Step 4: Simplify right side
    206x = 52,548.88
  5. Step 5: Solve for x
    x = 52,548.88/206
  6. Step 6: Final answer
    x = 255.09

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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.