Home / 655.08-982.11-423.48

Finding the Fourth Proportional to 655.08, 982.11 and 423.48

Calculator

Solution

The fourth proportional to 655.08, 982.11 and 423.48 is: 634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.08 : 982.11 = 423.48 : x
  2. Step 2: Convert to fraction form
    655.08/982.11 = 423.48/x
  3. Step 3: Cross multiply
    655.08x = 982.11 × 423.48
  4. Step 4: Simplify right side
    655.08x = 415,903.94
  5. Step 5: Solve for x
    x = 415,903.94/655.08
  6. Step 6: Final answer
    x = 634.89

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.