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Finding the Fourth Proportional to 369.63, 550.26 and 367.79

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Solution

The fourth proportional to 369.63, 550.26 and 367.79 is: 547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.63 : 550.26 = 367.79 : x
  2. Step 2: Convert to fraction form
    369.63/550.26 = 367.79/x
  3. Step 3: Cross multiply
    369.63x = 550.26 × 367.79
  4. Step 4: Simplify right side
    369.63x = 202,377.37
  5. Step 5: Solve for x
    x = 202,377.37/369.63
  6. Step 6: Final answer
    x = 547.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.