Home / 519.22-716.64-330.22

Finding the Fourth Proportional to 519.22, 716.64 and 330.22

Calculator

Solution

The fourth proportional to 519.22, 716.64 and 330.22 is: 455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.22 : 716.64 = 330.22 : x
  2. Step 2: Convert to fraction form
    519.22/716.64 = 330.22/x
  3. Step 3: Cross multiply
    519.22x = 716.64 × 330.22
  4. Step 4: Simplify right side
    519.22x = 236,648.86
  5. Step 5: Solve for x
    x = 236,648.86/519.22
  6. Step 6: Final answer
    x = 455.78

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.