Finding the Fourth Proportional to 468, 702 and 164
Calculator
Solution
The fourth proportional to 468, 702 and 164 is: 246
Step by Step Solution
- Step 1: Write the proportion equation
468 : 702 = 164 : x - Step 2: Convert to fraction form
468/702 = 164/x - Step 3: Cross multiply
468x = 702 × 164 - Step 4: Simplify right side
468x = 115,128 - Step 5: Solve for x
x = 115,128/468 - Step 6: Final answer
x = 246
Related Problems
Find fourth proportional to 234, 351 and 82
Half scale
Find fourth proportional to 936, 1,404 and 328
Double scale
Find fourth proportional to 469, 703.50 and 165
Similar ratio
Find fourth proportional to 702, 1,053 and 246
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.