Home / 422.35-633.17-179.05

Finding the Fourth Proportional to 422.35, 633.17 and 179.05

Calculator

Solution

The fourth proportional to 422.35, 633.17 and 179.05 is: 268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    422.35 : 633.17 = 179.05 : x
  2. Step 2: Convert to fraction form
    422.35/633.17 = 179.05/x
  3. Step 3: Cross multiply
    422.35x = 633.17 × 179.05
  4. Step 4: Simplify right side
    422.35x = 113,368.13
  5. Step 5: Solve for x
    x = 113,368.13/422.35
  6. Step 6: Final answer
    x = 268.42

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.