Home / 259.50-389.82-249.09

Finding the Fourth Proportional to 259.50, 389.82 and 249.09

Calculator

Solution

The fourth proportional to 259.50, 389.82 and 249.09 is: 374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.50 : 389.82 = 249.09 : x
  2. Step 2: Convert to fraction form
    259.50/389.82 = 249.09/x
  3. Step 3: Cross multiply
    259.50x = 389.82 × 249.09
  4. Step 4: Simplify right side
    259.50x = 97,100.26
  5. Step 5: Solve for x
    x = 97,100.26/259.50
  6. Step 6: Final answer
    x = 374.18

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.