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Finding the Fourth Proportional to 362.24, 540.70 and 329.84

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Solution

The fourth proportional to 362.24, 540.70 and 329.84 is: 492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.24 : 540.70 = 329.84 : x
  2. Step 2: Convert to fraction form
    362.24/540.70 = 329.84/x
  3. Step 3: Cross multiply
    362.24x = 540.70 × 329.84
  4. Step 4: Simplify right side
    362.24x = 178,344.49
  5. Step 5: Solve for x
    x = 178,344.49/362.24
  6. Step 6: Final answer
    x = 492.34

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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.