Home / 422-633-250.64

Finding the Fourth Proportional to 422, 633 and 250.64

Calculator

Solution

The fourth proportional to 422, 633 and 250.64 is: 375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    422 : 633 = 250.64 : x
  2. Step 2: Convert to fraction form
    422/633 = 250.64/x
  3. Step 3: Cross multiply
    422x = 633 × 250.64
  4. Step 4: Simplify right side
    422x = 158,655.12
  5. Step 5: Solve for x
    x = 158,655.12/422
  6. Step 6: Final answer
    x = 375.96

Related Problems

Find fourth proportional to 211, 316.50 and 125.32
Half scale
Find fourth proportional to 844, 1,266 and 501.28
Double scale
Find fourth proportional to 423, 634.50 and 251.64
Similar ratio
Find fourth proportional to 633, 949.50 and 375.96
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.