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Finding the Fourth Proportional to 499.67, 750.33 and 308.51

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Solution

The fourth proportional to 499.67, 750.33 and 308.51 is: 463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.67 : 750.33 = 308.51 : x
  2. Step 2: Convert to fraction form
    499.67/750.33 = 308.51/x
  3. Step 3: Cross multiply
    499.67x = 750.33 × 308.51
  4. Step 4: Simplify right side
    499.67x = 231,480.56
  5. Step 5: Solve for x
    x = 231,480.56/499.67
  6. Step 6: Final answer
    x = 463.27

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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.