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Finding the Fourth Proportional to 449.82, 674.22 and 367.68

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Solution

The fourth proportional to 449.82, 674.22 and 367.68 is: 551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.82 : 674.22 = 367.68 : x
  2. Step 2: Convert to fraction form
    449.82/674.22 = 367.68/x
  3. Step 3: Cross multiply
    449.82x = 674.22 × 367.68
  4. Step 4: Simplify right side
    449.82x = 247,897.21
  5. Step 5: Solve for x
    x = 247,897.21/449.82
  6. Step 6: Final answer
    x = 551.10

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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.