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Finding the Fourth Proportional to 193.33, 290.00 and 79.25

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Solution

The fourth proportional to 193.33, 290.00 and 79.25 is: 118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.33 : 290.00 = 79.25 : x
  2. Step 2: Convert to fraction form
    193.33/290.00 = 79.25/x
  3. Step 3: Cross multiply
    193.33x = 290.00 × 79.25
  4. Step 4: Simplify right side
    193.33x = 22,982.10
  5. Step 5: Solve for x
    x = 22,982.10/193.33
  6. Step 6: Final answer
    x = 118.88

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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.