Home / 433.13-649.68-159.09

Finding the Fourth Proportional to 433.13, 649.68 and 159.09

Calculator

Solution

The fourth proportional to 433.13, 649.68 and 159.09 is: 238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.13 : 649.68 = 159.09 : x
  2. Step 2: Convert to fraction form
    433.13/649.68 = 159.09/x
  3. Step 3: Cross multiply
    433.13x = 649.68 × 159.09
  4. Step 4: Simplify right side
    433.13x = 103,357.59
  5. Step 5: Solve for x
    x = 103,357.59/433.13
  6. Step 6: Final answer
    x = 238.63

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.