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Finding the Fourth Proportional to 184.72, 256.22 and 180.16

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Solution

The fourth proportional to 184.72, 256.22 and 180.16 is: 249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.72 : 256.22 = 180.16 : x
  2. Step 2: Convert to fraction form
    184.72/256.22 = 180.16/x
  3. Step 3: Cross multiply
    184.72x = 256.22 × 180.16
  4. Step 4: Simplify right side
    184.72x = 46,162.18
  5. Step 5: Solve for x
    x = 46,162.18/184.72
  6. Step 6: Final answer
    x = 249.90

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.