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Finding the Fourth Proportional to 184.77, 277.15 and 75.03

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Solution

The fourth proportional to 184.77, 277.15 and 75.03 is: 112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.77 : 277.15 = 75.03 : x
  2. Step 2: Convert to fraction form
    184.77/277.15 = 75.03/x
  3. Step 3: Cross multiply
    184.77x = 277.15 × 75.03
  4. Step 4: Simplify right side
    184.77x = 20,794.56
  5. Step 5: Solve for x
    x = 20,794.56/184.77
  6. Step 6: Final answer
    x = 112.54

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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.