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Finding the Fourth Proportional to 179.07, 246.91 and 146.22

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Solution

The fourth proportional to 179.07, 246.91 and 146.22 is: 201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.07 : 246.91 = 146.22 : x
  2. Step 2: Convert to fraction form
    179.07/246.91 = 146.22/x
  3. Step 3: Cross multiply
    179.07x = 246.91 × 146.22
  4. Step 4: Simplify right side
    179.07x = 36,103.18
  5. Step 5: Solve for x
    x = 36,103.18/179.07
  6. Step 6: Final answer
    x = 201.61

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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.