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Finding the Fourth Proportional to 263.71, 363.75 and 201.41

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Solution

The fourth proportional to 263.71, 363.75 and 201.41 is: 277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.71 : 363.75 = 201.41 : x
  2. Step 2: Convert to fraction form
    263.71/363.75 = 201.41/x
  3. Step 3: Cross multiply
    263.71x = 363.75 × 201.41
  4. Step 4: Simplify right side
    263.71x = 73,262.89
  5. Step 5: Solve for x
    x = 73,262.89/263.71
  6. Step 6: Final answer
    x = 277.82

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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.