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Finding the Fourth Proportional to 184.12, 276.30 and 87.94

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Solution

The fourth proportional to 184.12, 276.30 and 87.94 is: 131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.12 : 276.30 = 87.94 : x
  2. Step 2: Convert to fraction form
    184.12/276.30 = 87.94/x
  3. Step 3: Cross multiply
    184.12x = 276.30 × 87.94
  4. Step 4: Simplify right side
    184.12x = 24,297.13
  5. Step 5: Solve for x
    x = 24,297.13/184.12
  6. Step 6: Final answer
    x = 131.97

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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.