Finding the Fourth Proportional to 468.18, 702 and 441
Calculator
Solution
The fourth proportional to 468.18, 702 and 441 is: 661.25
Step by Step Solution
- Step 1: Write the proportion equation
468.18 : 702 = 441 : x - Step 2: Convert to fraction form
468.18/702 = 441/x - Step 3: Cross multiply
468.18x = 702 × 441 - Step 4: Simplify right side
468.18x = 309,582 - Step 5: Solve for x
x = 309,582/468.18 - Step 6: Final answer
x = 661.25
Related Problems
Find fourth proportional to 234.09, 351 and 220.50
Half scale
Find fourth proportional to 936.36, 1,404 and 882
Double scale
Find fourth proportional to 469.18, 703.50 and 442
Similar ratio
Find fourth proportional to 702.27, 1,053 and 661.50
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.