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Finding the Fourth Proportional to 362.20, 540.67 and 335.50

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Solution

The fourth proportional to 362.20, 540.67 and 335.50 is: 500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.20 : 540.67 = 335.50 : x
  2. Step 2: Convert to fraction form
    362.20/540.67 = 335.50/x
  3. Step 3: Cross multiply
    362.20x = 540.67 × 335.50
  4. Step 4: Simplify right side
    362.20x = 181,394.79
  5. Step 5: Solve for x
    x = 181,394.79/362.20
  6. Step 6: Final answer
    x = 500.81

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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.