Home / 235.68-353.42-73.40

Finding the Fourth Proportional to 235.68, 353.42 and 73.40

Calculator

Solution

The fourth proportional to 235.68, 353.42 and 73.40 is: 110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.68 : 353.42 = 73.40 : x
  2. Step 2: Convert to fraction form
    235.68/353.42 = 73.40/x
  3. Step 3: Cross multiply
    235.68x = 353.42 × 73.40
  4. Step 4: Simplify right side
    235.68x = 25,941.03
  5. Step 5: Solve for x
    x = 25,941.03/235.68
  6. Step 6: Final answer
    x = 110.07

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.