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Finding the Fourth Proportional to 184.98, 277.52 and 131.22

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Solution

The fourth proportional to 184.98, 277.52 and 131.22 is: 196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.98 : 277.52 = 131.22 : x
  2. Step 2: Convert to fraction form
    184.98/277.52 = 131.22/x
  3. Step 3: Cross multiply
    184.98x = 277.52 × 131.22
  4. Step 4: Simplify right side
    184.98x = 36,415.52
  5. Step 5: Solve for x
    x = 36,415.52/184.98
  6. Step 6: Final answer
    x = 196.86

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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.