Home / 303.64-455.36-141.22

Finding the Fourth Proportional to 303.64, 455.36 and 141.22

Calculator

Solution

The fourth proportional to 303.64, 455.36 and 141.22 is: 211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.64 : 455.36 = 141.22 : x
  2. Step 2: Convert to fraction form
    303.64/455.36 = 141.22/x
  3. Step 3: Cross multiply
    303.64x = 455.36 × 141.22
  4. Step 4: Simplify right side
    303.64x = 64,305.94
  5. Step 5: Solve for x
    x = 64,305.94/303.64
  6. Step 6: Final answer
    x = 211.78

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.