Home / 339.31-468.29-189.99

Finding the Fourth Proportional to 339.31, 468.29 and 189.99

Calculator

Solution

The fourth proportional to 339.31, 468.29 and 189.99 is: 262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.31 : 468.29 = 189.99 : x
  2. Step 2: Convert to fraction form
    339.31/468.29 = 189.99/x
  3. Step 3: Cross multiply
    339.31x = 468.29 × 189.99
  4. Step 4: Simplify right side
    339.31x = 88,970.42
  5. Step 5: Solve for x
    x = 88,970.42/339.31
  6. Step 6: Final answer
    x = 262.21

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.