Home / 343.23-513.99-198.51

Finding the Fourth Proportional to 343.23, 513.99 and 198.51

Calculator

Solution

The fourth proportional to 343.23, 513.99 and 198.51 is: 297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.23 : 513.99 = 198.51 : x
  2. Step 2: Convert to fraction form
    343.23/513.99 = 198.51/x
  3. Step 3: Cross multiply
    343.23x = 513.99 × 198.51
  4. Step 4: Simplify right side
    343.23x = 102,032.15
  5. Step 5: Solve for x
    x = 102,032.15/343.23
  6. Step 6: Final answer
    x = 297.27

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.