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Finding the Fourth Proportional to 184.15, 275.95 and 122.52

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Solution

The fourth proportional to 184.15, 275.95 and 122.52 is: 183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.15 : 275.95 = 122.52 : x
  2. Step 2: Convert to fraction form
    184.15/275.95 = 122.52/x
  3. Step 3: Cross multiply
    184.15x = 275.95 × 122.52
  4. Step 4: Simplify right side
    184.15x = 33,809.39
  5. Step 5: Solve for x
    x = 33,809.39/184.15
  6. Step 6: Final answer
    x = 183.60

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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.