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Finding the Fourth Proportional to 366.58, 550.00 and 161.13

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Solution

The fourth proportional to 366.58, 550.00 and 161.13 is: 241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.58 : 550.00 = 161.13 : x
  2. Step 2: Convert to fraction form
    366.58/550.00 = 161.13/x
  3. Step 3: Cross multiply
    366.58x = 550.00 × 161.13
  4. Step 4: Simplify right side
    366.58x = 88,619.76
  5. Step 5: Solve for x
    x = 88,619.76/366.58
  6. Step 6: Final answer
    x = 241.75

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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.