Home / 357.20-533.22-330.48

Finding the Fourth Proportional to 357.20, 533.22 and 330.48

Calculator

Solution

The fourth proportional to 357.20, 533.22 and 330.48 is: 493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.20 : 533.22 = 330.48 : x
  2. Step 2: Convert to fraction form
    357.20/533.22 = 330.48/x
  3. Step 3: Cross multiply
    357.20x = 533.22 × 330.48
  4. Step 4: Simplify right side
    357.20x = 176,218.55
  5. Step 5: Solve for x
    x = 176,218.55/357.20
  6. Step 6: Final answer
    x = 493.33

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.