Home / 335.07-503.21-219.75

Finding the Fourth Proportional to 335.07, 503.21 and 219.75

Calculator

Solution

The fourth proportional to 335.07, 503.21 and 219.75 is: 330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.07 : 503.21 = 219.75 : x
  2. Step 2: Convert to fraction form
    335.07/503.21 = 219.75/x
  3. Step 3: Cross multiply
    335.07x = 503.21 × 219.75
  4. Step 4: Simplify right side
    335.07x = 110,579.30
  5. Step 5: Solve for x
    x = 110,579.30/335.07
  6. Step 6: Final answer
    x = 330.02

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.