Home / 1,229.50-1,844.61-363.84

Finding the Fourth Proportional to 1,229.50, 1,844.61 and 363.84

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Solution

The fourth proportional to 1,229.50, 1,844.61 and 363.84 is: 545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.50 : 1,844.61 = 363.84 : x
  2. Step 2: Convert to fraction form
    1,229.50/1,844.61 = 363.84/x
  3. Step 3: Cross multiply
    1,229.50x = 1,844.61 × 363.84
  4. Step 4: Simplify right side
    1,229.50x = 671,142.90
  5. Step 5: Solve for x
    x = 671,142.90/1,229.50
  6. Step 6: Final answer
    x = 545.87

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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.