Finding the Third Proportional to 359 and 664
Calculator
Solution
The third proportional to 359 and 664 is: 1,228.12
Step by Step Solution
- Step 1: Write the proportion equation
359 : 664 = 664 : x - Step 2: Convert to fraction form
359/664 = 664/x - Step 3: Cross multiply
359x = 664 × 664 - Step 4: Simplify right side
359x = 440,896 - Step 5: Solve for x
x = 440,896/359 - Step 6: Final answer
x = 1,228.12
Related Problems
Find third proportional to 179.50 and 332
Half scale
Find third proportional to 718 and 1,328
Double scale
Find third proportional to 361 and 668
Similar ratio
Find third proportional to 538.50 and 996
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.