Finding the Third Proportional to 238 and 338
Calculator
Solution
The third proportional to 238 and 338 is: 480.02
Step by Step Solution
- Step 1: Write the proportion equation
238 : 338 = 338 : x - Step 2: Convert to fraction form
238/338 = 338/x - Step 3: Cross multiply
238x = 338 × 338 - Step 4: Simplify right side
238x = 114,244 - Step 5: Solve for x
x = 114,244/238 - Step 6: Final answer
x = 480.02
Related Problems
Find third proportional to 119 and 169
Half scale
Find third proportional to 476 and 676
Double scale
Find third proportional to 240 and 341
Similar ratio
Find third proportional to 357 and 507
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.