Home / 578.48-867.13-331.37

Finding the Fourth Proportional to 578.48, 867.13 and 331.37

Calculator

Solution

The fourth proportional to 578.48, 867.13 and 331.37 is: 496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    578.48 : 867.13 = 331.37 : x
  2. Step 2: Convert to fraction form
    578.48/867.13 = 331.37/x
  3. Step 3: Cross multiply
    578.48x = 867.13 × 331.37
  4. Step 4: Simplify right side
    578.48x = 287,340.87
  5. Step 5: Solve for x
    x = 287,340.87/578.48
  6. Step 6: Final answer
    x = 496.72

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.