Home / 388.62-582.82-144.97

Finding the Fourth Proportional to 388.62, 582.82 and 144.97

Calculator

Solution

The fourth proportional to 388.62, 582.82 and 144.97 is: 217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    388.62 : 582.82 = 144.97 : x
  2. Step 2: Convert to fraction form
    388.62/582.82 = 144.97/x
  3. Step 3: Cross multiply
    388.62x = 582.82 × 144.97
  4. Step 4: Simplify right side
    388.62x = 84,489.60
  5. Step 5: Solve for x
    x = 84,489.60/388.62
  6. Step 6: Final answer
    x = 217.41

Related Problems

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.