Home / 408.60-613.04-148.60

Finding the Fourth Proportional to 408.60, 613.04 and 148.60

Calculator

Solution

The fourth proportional to 408.60, 613.04 and 148.60 is: 222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    408.60 : 613.04 = 148.60 : x
  2. Step 2: Convert to fraction form
    408.60/613.04 = 148.60/x
  3. Step 3: Cross multiply
    408.60x = 613.04 × 148.60
  4. Step 4: Simplify right side
    408.60x = 91,097.74
  5. Step 5: Solve for x
    x = 91,097.74/408.60
  6. Step 6: Final answer
    x = 222.95

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.