Home / 325.43-488.26-203.55

Finding the Fourth Proportional to 325.43, 488.26 and 203.55

Calculator

Solution

The fourth proportional to 325.43, 488.26 and 203.55 is: 305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.43 : 488.26 = 203.55 : x
  2. Step 2: Convert to fraction form
    325.43/488.26 = 203.55/x
  3. Step 3: Cross multiply
    325.43x = 488.26 × 203.55
  4. Step 4: Simplify right side
    325.43x = 99,383.59
  5. Step 5: Solve for x
    x = 99,383.59/325.43
  6. Step 6: Final answer
    x = 305.39

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.