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Finding the Fourth Proportional to 367.37, 551.05 and 194.00

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Solution

The fourth proportional to 367.37, 551.05 and 194.00 is: 290.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.37 : 551.05 = 194.00 : x
  2. Step 2: Convert to fraction form
    367.37/551.05 = 194.00/x
  3. Step 3: Cross multiply
    367.37x = 551.05 × 194.00
  4. Step 4: Simplify right side
    367.37x = 106,901.35
  5. Step 5: Solve for x
    x = 106,901.35/367.37
  6. Step 6: Final answer
    x = 290.99

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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.