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Finding the Fourth Proportional to 119.00, 179.36 and 108.77

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Solution

The fourth proportional to 119.00, 179.36 and 108.77 is: 163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.00 : 179.36 = 108.77 : x
  2. Step 2: Convert to fraction form
    119.00/179.36 = 108.77/x
  3. Step 3: Cross multiply
    119.00x = 179.36 × 108.77
  4. Step 4: Simplify right side
    119.00x = 19,507.55
  5. Step 5: Solve for x
    x = 19,507.55/119.00
  6. Step 6: Final answer
    x = 163.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.