Home / 756.12-1,134-243

Finding the Fourth Proportional to 756.12, 1,134 and 243

Calculator

Solution

The fourth proportional to 756.12, 1,134 and 243 is: 364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.12 : 1,134 = 243 : x
  2. Step 2: Convert to fraction form
    756.12/1,134 = 243/x
  3. Step 3: Cross multiply
    756.12x = 1,134 × 243
  4. Step 4: Simplify right side
    756.12x = 275,562
  5. Step 5: Solve for x
    x = 275,562/756.12
  6. Step 6: Final answer
    x = 364.44

Related Problems

Find fourth proportional to 378.06, 567 and 121.50
Half scale
Find fourth proportional to 1,512.24, 2,268 and 486
Double scale
Find fourth proportional to 757.12, 1,135.50 and 244
Similar ratio
Find fourth proportional to 1,134.18, 1,701 and 364.50
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.