Home / 720.49-1,080.70-233.53

Finding the Fourth Proportional to 720.49, 1,080.70 and 233.53

Calculator

Solution

The fourth proportional to 720.49, 1,080.70 and 233.53 is: 350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    720.49 : 1,080.70 = 233.53 : x
  2. Step 2: Convert to fraction form
    720.49/1,080.70 = 233.53/x
  3. Step 3: Cross multiply
    720.49x = 1,080.70 × 233.53
  4. Step 4: Simplify right side
    720.49x = 252,375.87
  5. Step 5: Solve for x
    x = 252,375.87/720.49
  6. Step 6: Final answer
    x = 350.28

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.