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Finding the Fourth Proportional to 268.33, 404.08 and 200.35

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Solution

The fourth proportional to 268.33, 404.08 and 200.35 is: 301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.33 : 404.08 = 200.35 : x
  2. Step 2: Convert to fraction form
    268.33/404.08 = 200.35/x
  3. Step 3: Cross multiply
    268.33x = 404.08 × 200.35
  4. Step 4: Simplify right side
    268.33x = 80,957.43
  5. Step 5: Solve for x
    x = 80,957.43/268.33
  6. Step 6: Final answer
    x = 301.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.