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Finding the Fourth Proportional to 443.66, 667.61 and 366.14

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Solution

The fourth proportional to 443.66, 667.61 and 366.14 is: 550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.66 : 667.61 = 366.14 : x
  2. Step 2: Convert to fraction form
    443.66/667.61 = 366.14/x
  3. Step 3: Cross multiply
    443.66x = 667.61 × 366.14
  4. Step 4: Simplify right side
    443.66x = 244,435.23
  5. Step 5: Solve for x
    x = 244,435.23/443.66
  6. Step 6: Final answer
    x = 550.95

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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.