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Finding the Fourth Proportional to 368.60, 550.34 and 323.24

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Solution

The fourth proportional to 368.60, 550.34 and 323.24 is: 482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.60 : 550.34 = 323.24 : x
  2. Step 2: Convert to fraction form
    368.60/550.34 = 323.24/x
  3. Step 3: Cross multiply
    368.60x = 550.34 × 323.24
  4. Step 4: Simplify right side
    368.60x = 177,891.90
  5. Step 5: Solve for x
    x = 177,891.90/368.60
  6. Step 6: Final answer
    x = 482.62

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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.