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Finding the Fourth Proportional to 377.26, 517.55 and 367.72

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Solution

The fourth proportional to 377.26, 517.55 and 367.72 is: 504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.26 : 517.55 = 367.72 : x
  2. Step 2: Convert to fraction form
    377.26/517.55 = 367.72/x
  3. Step 3: Cross multiply
    377.26x = 517.55 × 367.72
  4. Step 4: Simplify right side
    377.26x = 190,313.49
  5. Step 5: Solve for x
    x = 190,313.49/377.26
  6. Step 6: Final answer
    x = 504.46

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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.