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Finding the Fourth Proportional to 83.33, 115.00 and 48.37

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Solution

The fourth proportional to 83.33, 115.00 and 48.37 is: 66.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.33 : 115.00 = 48.37 : x
  2. Step 2: Convert to fraction form
    83.33/115.00 = 48.37/x
  3. Step 3: Cross multiply
    83.33x = 115.00 × 48.37
  4. Step 4: Simplify right side
    83.33x = 5,562.43
  5. Step 5: Solve for x
    x = 5,562.43/83.33
  6. Step 6: Final answer
    x = 66.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.