Home / 422.30-633.24-148.32

Finding the Fourth Proportional to 422.30, 633.24 and 148.32

Calculator

Solution

The fourth proportional to 422.30, 633.24 and 148.32 is: 222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422.30 : 633.24 = 148.32 : x
  2. Step 2: Convert to fraction form
    422.30/633.24 = 148.32/x
  3. Step 3: Cross multiply
    422.30x = 633.24 × 148.32
  4. Step 4: Simplify right side
    422.30x = 93,922.16
  5. Step 5: Solve for x
    x = 93,922.16/422.30
  6. Step 6: Final answer
    x = 222.41

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.