Finding the Third Proportional to 358 and 412
Calculator
Solution
The third proportional to 358 and 412 is: 474.15
Step by Step Solution
- Step 1: Write the proportion equation
358 : 412 = 412 : x - Step 2: Convert to fraction form
358/412 = 412/x - Step 3: Cross multiply
358x = 412 × 412 - Step 4: Simplify right side
358x = 169,744 - Step 5: Solve for x
x = 169,744/358 - Step 6: Final answer
x = 474.15
Related Problems
Find third proportional to 179 and 206
Half scale
Find third proportional to 716 and 824
Double scale
Find third proportional to 360 and 414
Similar ratio
Find third proportional to 537 and 618
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.