Home / 1,190.15-1,784.33-367.94

Finding the Fourth Proportional to 1,190.15, 1,784.33 and 367.94

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Solution

The fourth proportional to 1,190.15, 1,784.33 and 367.94 is: 551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.15 : 1,784.33 = 367.94 : x
  2. Step 2: Convert to fraction form
    1,190.15/1,784.33 = 367.94/x
  3. Step 3: Cross multiply
    1,190.15x = 1,784.33 × 367.94
  4. Step 4: Simplify right side
    1,190.15x = 656,515.62
  5. Step 5: Solve for x
    x = 656,515.62/1,190.15
  6. Step 6: Final answer
    x = 551.63

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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.