Home / 422.17-633.32-144.50

Finding the Fourth Proportional to 422.17, 633.32 and 144.50

Calculator

Solution

The fourth proportional to 422.17, 633.32 and 144.50 is: 216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422.17 : 633.32 = 144.50 : x
  2. Step 2: Convert to fraction form
    422.17/633.32 = 144.50/x
  3. Step 3: Cross multiply
    422.17x = 633.32 × 144.50
  4. Step 4: Simplify right side
    422.17x = 91,513.77
  5. Step 5: Solve for x
    x = 91,513.77/422.17
  6. Step 6: Final answer
    x = 216.77

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.