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Finding the Fourth Proportional to 367.70, 551.43 and 185.04

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Solution

The fourth proportional to 367.70, 551.43 and 185.04 is: 277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.70 : 551.43 = 185.04 : x
  2. Step 2: Convert to fraction form
    367.70/551.43 = 185.04/x
  3. Step 3: Cross multiply
    367.70x = 551.43 × 185.04
  4. Step 4: Simplify right side
    367.70x = 102,036.61
  5. Step 5: Solve for x
    x = 102,036.61/367.70
  6. Step 6: Final answer
    x = 277.50

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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.