Home / 79-118.52-22

Finding the Fourth Proportional to 79, 118.52 and 22

Calculator

Solution

The fourth proportional to 79, 118.52 and 22 is: 33.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79 : 118.52 = 22 : x
  2. Step 2: Convert to fraction form
    79/118.52 = 22/x
  3. Step 3: Cross multiply
    79x = 118.52 × 22
  4. Step 4: Simplify right side
    79x = 2,607.44
  5. Step 5: Solve for x
    x = 2,607.44/79
  6. Step 6: Final answer
    x = 33.01

Related Problems

Find fourth proportional to 39.50, 59.26 and 11
Half scale
Find fourth proportional to 158, 237.04 and 44
Double scale
Find fourth proportional to 80, 120.02 and 23
Similar ratio
Find fourth proportional to 118.50, 177.78 and 33
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.