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Finding the Fourth Proportional to 248.38, 372.65 and 184.22

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Solution

The fourth proportional to 248.38, 372.65 and 184.22 is: 276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.38 : 372.65 = 184.22 : x
  2. Step 2: Convert to fraction form
    248.38/372.65 = 184.22/x
  3. Step 3: Cross multiply
    248.38x = 372.65 × 184.22
  4. Step 4: Simplify right side
    248.38x = 68,651.33
  5. Step 5: Solve for x
    x = 68,651.33/248.38
  6. Step 6: Final answer
    x = 276.39

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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.