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Finding the Fourth Proportional to 368.24, 550.08 and 327.92

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Solution

The fourth proportional to 368.24, 550.08 and 327.92 is: 489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.24 : 550.08 = 327.92 : x
  2. Step 2: Convert to fraction form
    368.24/550.08 = 327.92/x
  3. Step 3: Cross multiply
    368.24x = 550.08 × 327.92
  4. Step 4: Simplify right side
    368.24x = 180,382.23
  5. Step 5: Solve for x
    x = 180,382.23/368.24
  6. Step 6: Final answer
    x = 489.85

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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.