Home / 331-496.68-160

Finding the Fourth Proportional to 331, 496.68 and 160

Calculator

Solution

The fourth proportional to 331, 496.68 and 160 is: 240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331 : 496.68 = 160 : x
  2. Step 2: Convert to fraction form
    331/496.68 = 160/x
  3. Step 3: Cross multiply
    331x = 496.68 × 160
  4. Step 4: Simplify right side
    331x = 79,468.80
  5. Step 5: Solve for x
    x = 79,468.80/331
  6. Step 6: Final answer
    x = 240.09

Related Problems

Find fourth proportional to 165.50, 248.34 and 80
Half scale
Find fourth proportional to 662, 993.36 and 320
Double scale
Find fourth proportional to 332, 498.18 and 161
Similar ratio
Find fourth proportional to 496.50, 745.02 and 240
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.