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Finding the Fourth Proportional to 248.89, 373.30 and 197.12

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Solution

The fourth proportional to 248.89, 373.30 and 197.12 is: 295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.89 : 373.30 = 197.12 : x
  2. Step 2: Convert to fraction form
    248.89/373.30 = 197.12/x
  3. Step 3: Cross multiply
    248.89x = 373.30 × 197.12
  4. Step 4: Simplify right side
    248.89x = 73,584.90
  5. Step 5: Solve for x
    x = 73,584.90/248.89
  6. Step 6: Final answer
    x = 295.65

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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.