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Finding the Fourth Proportional to 184.46, 276.71 and 54.46

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Solution

The fourth proportional to 184.46, 276.71 and 54.46 is: 81.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.46 : 276.71 = 54.46 : x
  2. Step 2: Convert to fraction form
    184.46/276.71 = 54.46/x
  3. Step 3: Cross multiply
    184.46x = 276.71 × 54.46
  4. Step 4: Simplify right side
    184.46x = 15,069.70
  5. Step 5: Solve for x
    x = 15,069.70/184.46
  6. Step 6: Final answer
    x = 81.70

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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.