Home / 235.78-353.70-73.48

Finding the Fourth Proportional to 235.78, 353.70 and 73.48

Calculator

Solution

The fourth proportional to 235.78, 353.70 and 73.48 is: 110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.78 : 353.70 = 73.48 : x
  2. Step 2: Convert to fraction form
    235.78/353.70 = 73.48/x
  3. Step 3: Cross multiply
    235.78x = 353.70 × 73.48
  4. Step 4: Simplify right side
    235.78x = 25,989.88
  5. Step 5: Solve for x
    x = 25,989.88/235.78
  6. Step 6: Final answer
    x = 110.23

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.