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Finding the Fourth Proportional to 248.92, 373.25 and 191.00

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Solution

The fourth proportional to 248.92, 373.25 and 191.00 is: 286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.92 : 373.25 = 191.00 : x
  2. Step 2: Convert to fraction form
    248.92/373.25 = 191.00/x
  3. Step 3: Cross multiply
    248.92x = 373.25 × 191.00
  4. Step 4: Simplify right side
    248.92x = 71,289.33
  5. Step 5: Solve for x
    x = 71,289.33/248.92
  6. Step 6: Final answer
    x = 286.39

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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.