Home / 195.30-291.24-160.74

Finding the Fourth Proportional to 195.30, 291.24 and 160.74

Calculator

Solution

The fourth proportional to 195.30, 291.24 and 160.74 is: 239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.30 : 291.24 = 160.74 : x
  2. Step 2: Convert to fraction form
    195.30/291.24 = 160.74/x
  3. Step 3: Cross multiply
    195.30x = 291.24 × 160.74
  4. Step 4: Simplify right side
    195.30x = 46,813.92
  5. Step 5: Solve for x
    x = 46,813.92/195.30
  6. Step 6: Final answer
    x = 239.70

Related Problems

Find fourth proportional to 97.65, 145.62 and 80.37
Half scale
Find fourth proportional to 390.60, 582.48 and 321.48
Double scale
Find fourth proportional to 196.30, 292.73 and 161.74
Similar ratio
Find fourth proportional to 292.95, 436.86 and 241.11
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.