Home / 862.22-1,293.36-342.32

Finding the Fourth Proportional to 862.22, 1,293.36 and 342.32

Calculator

Solution

The fourth proportional to 862.22, 1,293.36 and 342.32 is: 513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    862.22 : 1,293.36 = 342.32 : x
  2. Step 2: Convert to fraction form
    862.22/1,293.36 = 342.32/x
  3. Step 3: Cross multiply
    862.22x = 1,293.36 × 342.32
  4. Step 4: Simplify right side
    862.22x = 442,743.00
  5. Step 5: Solve for x
    x = 442,743.00/862.22
  6. Step 6: Final answer
    x = 513.49

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.