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Finding the Fourth Proportional to 190.19, 260.86 and 179.73

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Solution

The fourth proportional to 190.19, 260.86 and 179.73 is: 246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.19 : 260.86 = 179.73 : x
  2. Step 2: Convert to fraction form
    190.19/260.86 = 179.73/x
  3. Step 3: Cross multiply
    190.19x = 260.86 × 179.73
  4. Step 4: Simplify right side
    190.19x = 46,884.37
  5. Step 5: Solve for x
    x = 46,884.37/190.19
  6. Step 6: Final answer
    x = 246.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.