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Finding the Fourth Proportional to 184.35, 276.52 and 87.87

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Solution

The fourth proportional to 184.35, 276.52 and 87.87 is: 131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.35 : 276.52 = 87.87 : x
  2. Step 2: Convert to fraction form
    184.35/276.52 = 87.87/x
  3. Step 3: Cross multiply
    184.35x = 276.52 × 87.87
  4. Step 4: Simplify right side
    184.35x = 24,296.21
  5. Step 5: Solve for x
    x = 24,296.21/184.35
  6. Step 6: Final answer
    x = 131.80

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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.