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Finding the Fourth Proportional to 248.52, 372.26 and 197.24

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Solution

The fourth proportional to 248.52, 372.26 and 197.24 is: 295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.52 : 372.26 = 197.24 : x
  2. Step 2: Convert to fraction form
    248.52/372.26 = 197.24/x
  3. Step 3: Cross multiply
    248.52x = 372.26 × 197.24
  4. Step 4: Simplify right side
    248.52x = 73,424.56
  5. Step 5: Solve for x
    x = 73,424.56/248.52
  6. Step 6: Final answer
    x = 295.45

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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.