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Finding the Fourth Proportional to 84.00, 125.92 and 58.33

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Solution

The fourth proportional to 84.00, 125.92 and 58.33 is: 87.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84.00 : 125.92 = 58.33 : x
  2. Step 2: Convert to fraction form
    84.00/125.92 = 58.33/x
  3. Step 3: Cross multiply
    84.00x = 125.92 × 58.33
  4. Step 4: Simplify right side
    84.00x = 7,345.14
  5. Step 5: Solve for x
    x = 7,345.14/84.00
  6. Step 6: Final answer
    x = 87.44

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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.