Home / 440.79-661.17-152.22

Finding the Fourth Proportional to 440.79, 661.17 and 152.22

Calculator

Solution

The fourth proportional to 440.79, 661.17 and 152.22 is: 228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.79 : 661.17 = 152.22 : x
  2. Step 2: Convert to fraction form
    440.79/661.17 = 152.22/x
  3. Step 3: Cross multiply
    440.79x = 661.17 × 152.22
  4. Step 4: Simplify right side
    440.79x = 100,639.99
  5. Step 5: Solve for x
    x = 100,639.99/440.79
  6. Step 6: Final answer
    x = 228.32

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.