Home / 260.87-360-148.83

Finding the Fourth Proportional to 260.87, 360 and 148.83

Calculator

Solution

The fourth proportional to 260.87, 360 and 148.83 is: 205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.87 : 360 = 148.83 : x
  2. Step 2: Convert to fraction form
    260.87/360 = 148.83/x
  3. Step 3: Cross multiply
    260.87x = 360 × 148.83
  4. Step 4: Simplify right side
    260.87x = 53,580.15
  5. Step 5: Solve for x
    x = 53,580.15/260.87
  6. Step 6: Final answer
    x = 205.39

Related Problems

Find fourth proportional to 130.43, 180 and 74.42
Half scale
Find fourth proportional to 521.74, 720 and 297.67
Double scale
Find fourth proportional to 261.87, 361.38 and 149.83
Similar ratio
Find fourth proportional to 391.30, 540 and 223.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.