Home / 267.12-399.96-218.52

Finding the Fourth Proportional to 267.12, 399.96 and 218.52

Calculator

Solution

The fourth proportional to 267.12, 399.96 and 218.52 is: 327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.12 : 399.96 = 218.52 : x
  2. Step 2: Convert to fraction form
    267.12/399.96 = 218.52/x
  3. Step 3: Cross multiply
    267.12x = 399.96 × 218.52
  4. Step 4: Simplify right side
    267.12x = 87,399.26
  5. Step 5: Solve for x
    x = 87,399.26/267.12
  6. Step 6: Final answer
    x = 327.19

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.