Home / 301.38-451.98-118.80

Finding the Fourth Proportional to 301.38, 451.98 and 118.80

Calculator

Solution

The fourth proportional to 301.38, 451.98 and 118.80 is: 178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.38 : 451.98 = 118.80 : x
  2. Step 2: Convert to fraction form
    301.38/451.98 = 118.80/x
  3. Step 3: Cross multiply
    301.38x = 451.98 × 118.80
  4. Step 4: Simplify right side
    301.38x = 53,695.22
  5. Step 5: Solve for x
    x = 53,695.22/301.38
  6. Step 6: Final answer
    x = 178.16

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.