Home / 868.50-1,198.52-475.52

Finding the Fourth Proportional to 868.50, 1,198.52 and 475.52

Calculator

Solution

The fourth proportional to 868.50, 1,198.52 and 475.52 is: 656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    868.50 : 1,198.52 = 475.52 : x
  2. Step 2: Convert to fraction form
    868.50/1,198.52 = 475.52/x
  3. Step 3: Cross multiply
    868.50x = 1,198.52 × 475.52
  4. Step 4: Simplify right side
    868.50x = 569,920.23
  5. Step 5: Solve for x
    x = 569,920.23/868.50
  6. Step 6: Final answer
    x = 656.21

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.