Home / 804-1,206-196

Finding the Fourth Proportional to 804, 1,206 and 196

Calculator

Solution

The fourth proportional to 804, 1,206 and 196 is: 294

Step by Step Solution

  1. Step 1: Write the proportion equation
    804 : 1,206 = 196 : x
  2. Step 2: Convert to fraction form
    804/1,206 = 196/x
  3. Step 3: Cross multiply
    804x = 1,206 × 196
  4. Step 4: Simplify right side
    804x = 236,376
  5. Step 5: Solve for x
    x = 236,376/804
  6. Step 6: Final answer
    x = 294

Related Problems

Find fourth proportional to 402, 603 and 98
Half scale
Find fourth proportional to 1,608, 2,412 and 392
Double scale
Find fourth proportional to 805, 1,207.50 and 197
Similar ratio
Find fourth proportional to 1,206, 1,809 and 294
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.