Home / 676-1,014.08-220

Finding the Fourth Proportional to 676, 1,014.08 and 220

Calculator

Solution

The fourth proportional to 676, 1,014.08 and 220 is: 330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    676 : 1,014.08 = 220 : x
  2. Step 2: Convert to fraction form
    676/1,014.08 = 220/x
  3. Step 3: Cross multiply
    676x = 1,014.08 × 220
  4. Step 4: Simplify right side
    676x = 223,097.60
  5. Step 5: Solve for x
    x = 223,097.60/676
  6. Step 6: Final answer
    x = 330.03

Related Problems

Find fourth proportional to 338, 507.04 and 110
Half scale
Find fourth proportional to 1,352, 2,028.16 and 440
Double scale
Find fourth proportional to 677, 1,015.58 and 221
Similar ratio
Find fourth proportional to 1,014, 1,521.12 and 330
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.