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Finding the Fourth Proportional to 362.18, 540.42 and 327.36

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Solution

The fourth proportional to 362.18, 540.42 and 327.36 is: 488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.18 : 540.42 = 327.36 : x
  2. Step 2: Convert to fraction form
    362.18/540.42 = 327.36/x
  3. Step 3: Cross multiply
    362.18x = 540.42 × 327.36
  4. Step 4: Simplify right side
    362.18x = 176,911.89
  5. Step 5: Solve for x
    x = 176,911.89/362.18
  6. Step 6: Final answer
    x = 488.46

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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.