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Finding the Fourth Proportional to 268.37, 404.27 and 265.94

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Solution

The fourth proportional to 268.37, 404.27 and 265.94 is: 400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.37 : 404.27 = 265.94 : x
  2. Step 2: Convert to fraction form
    268.37/404.27 = 265.94/x
  3. Step 3: Cross multiply
    268.37x = 404.27 × 265.94
  4. Step 4: Simplify right side
    268.37x = 107,511.56
  5. Step 5: Solve for x
    x = 107,511.56/268.37
  6. Step 6: Final answer
    x = 400.61

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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.