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Finding the Fourth Proportional to 184.53, 276.55 and 68.87

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Solution

The fourth proportional to 184.53, 276.55 and 68.87 is: 103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.53 : 276.55 = 68.87 : x
  2. Step 2: Convert to fraction form
    184.53/276.55 = 68.87/x
  3. Step 3: Cross multiply
    184.53x = 276.55 × 68.87
  4. Step 4: Simplify right side
    184.53x = 19,046.00
  5. Step 5: Solve for x
    x = 19,046.00/184.53
  6. Step 6: Final answer
    x = 103.21

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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.