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Finding the Fourth Proportional to 248.52, 371.08 and 219.04

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Solution

The fourth proportional to 248.52, 371.08 and 219.04 is: 327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.52 : 371.08 = 219.04 : x
  2. Step 2: Convert to fraction form
    248.52/371.08 = 219.04/x
  3. Step 3: Cross multiply
    248.52x = 371.08 × 219.04
  4. Step 4: Simplify right side
    248.52x = 81,281.36
  5. Step 5: Solve for x
    x = 81,281.36/248.52
  6. Step 6: Final answer
    x = 327.06

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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.