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Finding the Fourth Proportional to 499.80, 751.14 and 335.81

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Solution

The fourth proportional to 499.80, 751.14 and 335.81 is: 504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.80 : 751.14 = 335.81 : x
  2. Step 2: Convert to fraction form
    499.80/751.14 = 335.81/x
  3. Step 3: Cross multiply
    499.80x = 751.14 × 335.81
  4. Step 4: Simplify right side
    499.80x = 252,236.57
  5. Step 5: Solve for x
    x = 252,236.57/499.80
  6. Step 6: Final answer
    x = 504.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.