Home / 411.44-617.16-329.88

Finding the Fourth Proportional to 411.44, 617.16 and 329.88

Calculator

Solution

The fourth proportional to 411.44, 617.16 and 329.88 is: 494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.44 : 617.16 = 329.88 : x
  2. Step 2: Convert to fraction form
    411.44/617.16 = 329.88/x
  3. Step 3: Cross multiply
    411.44x = 617.16 × 329.88
  4. Step 4: Simplify right side
    411.44x = 203,588.74
  5. Step 5: Solve for x
    x = 203,588.74/411.44
  6. Step 6: Final answer
    x = 494.82

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.