Home / 192.26-288.18-70.42

Finding the Fourth Proportional to 192.26, 288.18 and 70.42

Calculator

Solution

The fourth proportional to 192.26, 288.18 and 70.42 is: 105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.26 : 288.18 = 70.42 : x
  2. Step 2: Convert to fraction form
    192.26/288.18 = 70.42/x
  3. Step 3: Cross multiply
    192.26x = 288.18 × 70.42
  4. Step 4: Simplify right side
    192.26x = 20,293.64
  5. Step 5: Solve for x
    x = 20,293.64/192.26
  6. Step 6: Final answer
    x = 105.55

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.