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Finding the Fourth Proportional to 184.05, 275.75 and 102.75

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Solution

The fourth proportional to 184.05, 275.75 and 102.75 is: 153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.05 : 275.75 = 102.75 : x
  2. Step 2: Convert to fraction form
    184.05/275.75 = 102.75/x
  3. Step 3: Cross multiply
    184.05x = 275.75 × 102.75
  4. Step 4: Simplify right side
    184.05x = 28,332.80
  5. Step 5: Solve for x
    x = 28,332.80/184.05
  6. Step 6: Final answer
    x = 153.94

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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.