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Finding the Fourth Proportional to 248.04, 372.04 and 103.75

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Solution

The fourth proportional to 248.04, 372.04 and 103.75 is: 155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.04 : 372.04 = 103.75 : x
  2. Step 2: Convert to fraction form
    248.04/372.04 = 103.75/x
  3. Step 3: Cross multiply
    248.04x = 372.04 × 103.75
  4. Step 4: Simplify right side
    248.04x = 38,599.15
  5. Step 5: Solve for x
    x = 38,599.15/248.04
  6. Step 6: Final answer
    x = 155.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.