Home / 1,229.14-1,844.01-363.45

Finding the Fourth Proportional to 1,229.14, 1,844.01 and 363.45

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Solution

The fourth proportional to 1,229.14, 1,844.01 and 363.45 is: 545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.14 : 1,844.01 = 363.45 : x
  2. Step 2: Convert to fraction form
    1,229.14/1,844.01 = 363.45/x
  3. Step 3: Cross multiply
    1,229.14x = 1,844.01 × 363.45
  4. Step 4: Simplify right side
    1,229.14x = 670,205.43
  5. Step 5: Solve for x
    x = 670,205.43/1,229.14
  6. Step 6: Final answer
    x = 545.26

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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.