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Finding the Fourth Proportional to 377.28, 517.23 and 367.20

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Solution

The fourth proportional to 377.28, 517.23 and 367.20 is: 503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.28 : 517.23 = 367.20 : x
  2. Step 2: Convert to fraction form
    377.28/517.23 = 367.20/x
  3. Step 3: Cross multiply
    377.28x = 517.23 × 367.20
  4. Step 4: Simplify right side
    377.28x = 189,926.86
  5. Step 5: Solve for x
    x = 189,926.86/377.28
  6. Step 6: Final answer
    x = 503.41

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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.