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Finding the Fourth Proportional to 272.08, 377.07 and 267.22

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Solution

The fourth proportional to 272.08, 377.07 and 267.22 is: 370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.08 : 377.07 = 267.22 : x
  2. Step 2: Convert to fraction form
    272.08/377.07 = 267.22/x
  3. Step 3: Cross multiply
    272.08x = 377.07 × 267.22
  4. Step 4: Simplify right side
    272.08x = 100,760.65
  5. Step 5: Solve for x
    x = 100,760.65/272.08
  6. Step 6: Final answer
    x = 370.33

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.