Home / 391.22-587.04-160.05

Finding the Fourth Proportional to 391.22, 587.04 and 160.05

Calculator

Solution

The fourth proportional to 391.22, 587.04 and 160.05 is: 240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    391.22 : 587.04 = 160.05 : x
  2. Step 2: Convert to fraction form
    391.22/587.04 = 160.05/x
  3. Step 3: Cross multiply
    391.22x = 587.04 × 160.05
  4. Step 4: Simplify right side
    391.22x = 93,955.75
  5. Step 5: Solve for x
    x = 93,955.75/391.22
  6. Step 6: Final answer
    x = 240.16

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.