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Finding the Fourth Proportional to 364.18, 544.01 and 327.56

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Solution

The fourth proportional to 364.18, 544.01 and 327.56 is: 489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.18 : 544.01 = 327.56 : x
  2. Step 2: Convert to fraction form
    364.18/544.01 = 327.56/x
  3. Step 3: Cross multiply
    364.18x = 544.01 × 327.56
  4. Step 4: Simplify right side
    364.18x = 178,194.01
  5. Step 5: Solve for x
    x = 178,194.01/364.18
  6. Step 6: Final answer
    x = 489.31

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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.