Home / 241-361.50-70

Finding the Fourth Proportional to 241, 361.50 and 70

Calculator

Solution

The fourth proportional to 241, 361.50 and 70 is: 105

Step by Step Solution

  1. Step 1: Write the proportion equation
    241 : 361.50 = 70 : x
  2. Step 2: Convert to fraction form
    241/361.50 = 70/x
  3. Step 3: Cross multiply
    241x = 361.50 × 70
  4. Step 4: Simplify right side
    241x = 25,305
  5. Step 5: Solve for x
    x = 25,305/241
  6. Step 6: Final answer
    x = 105

Related Problems

Find fourth proportional to 120.50, 180.75 and 35
Half scale
Find fourth proportional to 482, 723 and 140
Double scale
Find fourth proportional to 242, 363 and 71
Similar ratio
Find fourth proportional to 361.50, 542.25 and 105
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.