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Finding the Fourth Proportional to 366.75, 549.85 and 193.41

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Solution

The fourth proportional to 366.75, 549.85 and 193.41 is: 289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.75 : 549.85 = 193.41 : x
  2. Step 2: Convert to fraction form
    366.75/549.85 = 193.41/x
  3. Step 3: Cross multiply
    366.75x = 549.85 × 193.41
  4. Step 4: Simplify right side
    366.75x = 106,346.49
  5. Step 5: Solve for x
    x = 106,346.49/366.75
  6. Step 6: Final answer
    x = 289.97

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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.