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Finding the Fourth Proportional to 207.88, 284.33 and 204.52

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Solution

The fourth proportional to 207.88, 284.33 and 204.52 is: 279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.88 : 284.33 = 204.52 : x
  2. Step 2: Convert to fraction form
    207.88/284.33 = 204.52/x
  3. Step 3: Cross multiply
    207.88x = 284.33 × 204.52
  4. Step 4: Simplify right side
    207.88x = 58,151.17
  5. Step 5: Solve for x
    x = 58,151.17/207.88
  6. Step 6: Final answer
    x = 279.73

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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.