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Finding the Fourth Proportional to 248.37, 372.62 and 132.74

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Solution

The fourth proportional to 248.37, 372.62 and 132.74 is: 199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.37 : 372.62 = 132.74 : x
  2. Step 2: Convert to fraction form
    248.37/372.62 = 132.74/x
  3. Step 3: Cross multiply
    248.37x = 372.62 × 132.74
  4. Step 4: Simplify right side
    248.37x = 49,459.05
  5. Step 5: Solve for x
    x = 49,459.05/248.37
  6. Step 6: Final answer
    x = 199.13

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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.