Home / 225.52-339-185.80

Finding the Fourth Proportional to 225.52, 339 and 185.80

Calculator

Solution

The fourth proportional to 225.52, 339 and 185.80 is: 279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.52 : 339 = 185.80 : x
  2. Step 2: Convert to fraction form
    225.52/339 = 185.80/x
  3. Step 3: Cross multiply
    225.52x = 339 × 185.80
  4. Step 4: Simplify right side
    225.52x = 62,986.20
  5. Step 5: Solve for x
    x = 62,986.20/225.52
  6. Step 6: Final answer
    x = 279.29

Related Problems

Find fourth proportional to 112.76, 169.50 and 92.90
Half scale
Find fourth proportional to 451.04, 678 and 371.60
Double scale
Find fourth proportional to 226.52, 340.50 and 186.80
Similar ratio
Find fourth proportional to 338.28, 508.50 and 278.70
1.5x scale

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.