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Finding the Fourth Proportional to 366.89, 549.90 and 171.73

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Solution

The fourth proportional to 366.89, 549.90 and 171.73 is: 257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.89 : 549.90 = 171.73 : x
  2. Step 2: Convert to fraction form
    366.89/549.90 = 171.73/x
  3. Step 3: Cross multiply
    366.89x = 549.90 × 171.73
  4. Step 4: Simplify right side
    366.89x = 94,436.03
  5. Step 5: Solve for x
    x = 94,436.03/366.89
  6. Step 6: Final answer
    x = 257.39

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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.