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Finding the Fourth Proportional to 363.99, 543.73 and 327.37

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Solution

The fourth proportional to 363.99, 543.73 and 327.37 is: 489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.99 : 543.73 = 327.37 : x
  2. Step 2: Convert to fraction form
    363.99/543.73 = 327.37/x
  3. Step 3: Cross multiply
    363.99x = 543.73 × 327.37
  4. Step 4: Simplify right side
    363.99x = 177,999.51
  5. Step 5: Solve for x
    x = 177,999.51/363.99
  6. Step 6: Final answer
    x = 489.03

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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.