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Finding the Fourth Proportional to 248.87, 371.18 and 233.48

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Solution

The fourth proportional to 248.87, 371.18 and 233.48 is: 348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.87 : 371.18 = 233.48 : x
  2. Step 2: Convert to fraction form
    248.87/371.18 = 233.48/x
  3. Step 3: Cross multiply
    248.87x = 371.18 × 233.48
  4. Step 4: Simplify right side
    248.87x = 86,664.62
  5. Step 5: Solve for x
    x = 86,664.62/248.87
  6. Step 6: Final answer
    x = 348.23

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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.