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Finding the Fourth Proportional to 184.50, 276.73 and 68.92

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Solution

The fourth proportional to 184.50, 276.73 and 68.92 is: 103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.50 : 276.73 = 68.92 : x
  2. Step 2: Convert to fraction form
    184.50/276.73 = 68.92/x
  3. Step 3: Cross multiply
    184.50x = 276.73 × 68.92
  4. Step 4: Simplify right side
    184.50x = 19,070.50
  5. Step 5: Solve for x
    x = 19,070.50/184.50
  6. Step 6: Final answer
    x = 103.37

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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.