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Finding the Fourth Proportional to 272.43, 373.36 and 267.30

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Solution

The fourth proportional to 272.43, 373.36 and 267.30 is: 366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.43 : 373.36 = 267.30 : x
  2. Step 2: Convert to fraction form
    272.43/373.36 = 267.30/x
  3. Step 3: Cross multiply
    272.43x = 373.36 × 267.30
  4. Step 4: Simplify right side
    272.43x = 99,798.96
  5. Step 5: Solve for x
    x = 99,798.96/272.43
  6. Step 6: Final answer
    x = 366.33

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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.