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Finding the Fourth Proportional to 272.04, 372.72 and 268.44

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Solution

The fourth proportional to 272.04, 372.72 and 268.44 is: 367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.04 : 372.72 = 268.44 : x
  2. Step 2: Convert to fraction form
    272.04/372.72 = 268.44/x
  3. Step 3: Cross multiply
    272.04x = 372.72 × 268.44
  4. Step 4: Simplify right side
    272.04x = 100,052.96
  5. Step 5: Solve for x
    x = 100,052.96/272.04
  6. Step 6: Final answer
    x = 367.79

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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.