Finding the Third Proportional to 438 and 598
Calculator
Solution
The third proportional to 438 and 598 is: 816.45
Step by Step Solution
- Step 1: Write the proportion equation
438 : 598 = 598 : x - Step 2: Convert to fraction form
438/598 = 598/x - Step 3: Cross multiply
438x = 598 × 598 - Step 4: Simplify right side
438x = 357,604 - Step 5: Solve for x
x = 357,604/438 - Step 6: Final answer
x = 816.45
Related Problems
Find third proportional to 219 and 299
Half scale
Find third proportional to 876 and 1,196
Double scale
Find third proportional to 440 and 601
Similar ratio
Find third proportional to 657 and 897
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.