Home / 471.28-650.46-305.26

Finding the Fourth Proportional to 471.28, 650.46 and 305.26

Calculator

Solution

The fourth proportional to 471.28, 650.46 and 305.26 is: 421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.28 : 650.46 = 305.26 : x
  2. Step 2: Convert to fraction form
    471.28/650.46 = 305.26/x
  3. Step 3: Cross multiply
    471.28x = 650.46 × 305.26
  4. Step 4: Simplify right side
    471.28x = 198,559.42
  5. Step 5: Solve for x
    x = 198,559.42/471.28
  6. Step 6: Final answer
    x = 421.32

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.