Home / 335.15-502.99-213.11

Finding the Fourth Proportional to 335.15, 502.99 and 213.11

Calculator

Solution

The fourth proportional to 335.15, 502.99 and 213.11 is: 319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.15 : 502.99 = 213.11 : x
  2. Step 2: Convert to fraction form
    335.15/502.99 = 213.11/x
  3. Step 3: Cross multiply
    335.15x = 502.99 × 213.11
  4. Step 4: Simplify right side
    335.15x = 107,189.68
  5. Step 5: Solve for x
    x = 107,189.68/335.15
  6. Step 6: Final answer
    x = 319.83

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.