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Finding the Fourth Proportional to 367.77, 550.83 and 339.32

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Solution

The fourth proportional to 367.77, 550.83 and 339.32 is: 508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.77 : 550.83 = 339.32 : x
  2. Step 2: Convert to fraction form
    367.77/550.83 = 339.32/x
  3. Step 3: Cross multiply
    367.77x = 550.83 × 339.32
  4. Step 4: Simplify right side
    367.77x = 186,904.88
  5. Step 5: Solve for x
    x = 186,904.88/367.77
  6. Step 6: Final answer
    x = 508.21

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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.