Home / 192.66-288.90-84.48

Finding the Fourth Proportional to 192.66, 288.90 and 84.48

Calculator

Solution

The fourth proportional to 192.66, 288.90 and 84.48 is: 126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.66 : 288.90 = 84.48 : x
  2. Step 2: Convert to fraction form
    192.66/288.90 = 84.48/x
  3. Step 3: Cross multiply
    192.66x = 288.90 × 84.48
  4. Step 4: Simplify right side
    192.66x = 24,406.27
  5. Step 5: Solve for x
    x = 24,406.27/192.66
  6. Step 6: Final answer
    x = 126.68

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.