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Finding the Fourth Proportional to 252.40, 376.22 and 248.62

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Solution

The fourth proportional to 252.40, 376.22 and 248.62 is: 370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.40 : 376.22 = 248.62 : x
  2. Step 2: Convert to fraction form
    252.40/376.22 = 248.62/x
  3. Step 3: Cross multiply
    252.40x = 376.22 × 248.62
  4. Step 4: Simplify right side
    252.40x = 93,535.82
  5. Step 5: Solve for x
    x = 93,535.82/252.40
  6. Step 6: Final answer
    x = 370.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.