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Finding the Fourth Proportional to 184.18, 276 and 75.88

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Solution

The fourth proportional to 184.18, 276 and 75.88 is: 113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.18 : 276 = 75.88 : x
  2. Step 2: Convert to fraction form
    184.18/276 = 75.88/x
  3. Step 3: Cross multiply
    184.18x = 276 × 75.88
  4. Step 4: Simplify right side
    184.18x = 20,942.88
  5. Step 5: Solve for x
    x = 20,942.88/184.18
  6. Step 6: Final answer
    x = 113.71

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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.