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Finding the Fourth Proportional to 268.98, 371.28 and 227.52

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Solution

The fourth proportional to 268.98, 371.28 and 227.52 is: 314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.98 : 371.28 = 227.52 : x
  2. Step 2: Convert to fraction form
    268.98/371.28 = 227.52/x
  3. Step 3: Cross multiply
    268.98x = 371.28 × 227.52
  4. Step 4: Simplify right side
    268.98x = 84,473.63
  5. Step 5: Solve for x
    x = 84,473.63/268.98
  6. Step 6: Final answer
    x = 314.05

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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.