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Finding the Fourth Proportional to 272.31, 375.62 and 254.08

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Solution

The fourth proportional to 272.31, 375.62 and 254.08 is: 350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.31 : 375.62 = 254.08 : x
  2. Step 2: Convert to fraction form
    272.31/375.62 = 254.08/x
  3. Step 3: Cross multiply
    272.31x = 375.62 × 254.08
  4. Step 4: Simplify right side
    272.31x = 95,437.53
  5. Step 5: Solve for x
    x = 95,437.53/272.31
  6. Step 6: Final answer
    x = 350.48

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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.