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Finding the Fourth Proportional to 274.38, 376.01 and 248.46

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Solution

The fourth proportional to 274.38, 376.01 and 248.46 is: 340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.38 : 376.01 = 248.46 : x
  2. Step 2: Convert to fraction form
    274.38/376.01 = 248.46/x
  3. Step 3: Cross multiply
    274.38x = 376.01 × 248.46
  4. Step 4: Simplify right side
    274.38x = 93,422.20
  5. Step 5: Solve for x
    x = 93,422.20/274.38
  6. Step 6: Final answer
    x = 340.48

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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.