Home / 493.22-680.66-283.45

Finding the Fourth Proportional to 493.22, 680.66 and 283.45

Calculator

Solution

The fourth proportional to 493.22, 680.66 and 283.45 is: 391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.22 : 680.66 = 283.45 : x
  2. Step 2: Convert to fraction form
    493.22/680.66 = 283.45/x
  3. Step 3: Cross multiply
    493.22x = 680.66 × 283.45
  4. Step 4: Simplify right side
    493.22x = 192,933.08
  5. Step 5: Solve for x
    x = 192,933.08/493.22
  6. Step 6: Final answer
    x = 391.17

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.