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Finding the Fourth Proportional to 367.69, 503.74 and 353.85

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Solution

The fourth proportional to 367.69, 503.74 and 353.85 is: 484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.69 : 503.74 = 353.85 : x
  2. Step 2: Convert to fraction form
    367.69/503.74 = 353.85/x
  3. Step 3: Cross multiply
    367.69x = 503.74 × 353.85
  4. Step 4: Simplify right side
    367.69x = 178,247.51
  5. Step 5: Solve for x
    x = 178,247.51/367.69
  6. Step 6: Final answer
    x = 484.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.