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Finding the Fourth Proportional to 411.03, 613.68 and 367.29

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Solution

The fourth proportional to 411.03, 613.68 and 367.29 is: 548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.03 : 613.68 = 367.29 : x
  2. Step 2: Convert to fraction form
    411.03/613.68 = 367.29/x
  3. Step 3: Cross multiply
    411.03x = 613.68 × 367.29
  4. Step 4: Simplify right side
    411.03x = 225,398.53
  5. Step 5: Solve for x
    x = 225,398.53/411.03
  6. Step 6: Final answer
    x = 548.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.