Home / 578.10-866.68-231.28

Finding the Fourth Proportional to 578.10, 866.68 and 231.28

Calculator

Solution

The fourth proportional to 578.10, 866.68 and 231.28 is: 346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    578.10 : 866.68 = 231.28 : x
  2. Step 2: Convert to fraction form
    578.10/866.68 = 231.28/x
  3. Step 3: Cross multiply
    578.10x = 866.68 × 231.28
  4. Step 4: Simplify right side
    578.10x = 200,445.75
  5. Step 5: Solve for x
    x = 200,445.75/578.10
  6. Step 6: Final answer
    x = 346.73

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.