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Finding the Fourth Proportional to 180.06, 271.32 and 178.98

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Solution

The fourth proportional to 180.06, 271.32 and 178.98 is: 269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.06 : 271.32 = 178.98 : x
  2. Step 2: Convert to fraction form
    180.06/271.32 = 178.98/x
  3. Step 3: Cross multiply
    180.06x = 271.32 × 178.98
  4. Step 4: Simplify right side
    180.06x = 48,560.85
  5. Step 5: Solve for x
    x = 48,560.85/180.06
  6. Step 6: Final answer
    x = 269.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.