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Finding the Fourth Proportional to 362.85, 540.41 and 350.10

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Solution

The fourth proportional to 362.85, 540.41 and 350.10 is: 521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.85 : 540.41 = 350.10 : x
  2. Step 2: Convert to fraction form
    362.85/540.41 = 350.10/x
  3. Step 3: Cross multiply
    362.85x = 540.41 × 350.10
  4. Step 4: Simplify right side
    362.85x = 189,195.79
  5. Step 5: Solve for x
    x = 189,195.79/362.85
  6. Step 6: Final answer
    x = 521.42

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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.