Finding the Fourth Proportional to 63.26, 87.26 and 41.44
Calculator
Solution
The fourth proportional to 63.26, 87.26 and 41.44 is: 57.16
Step by Step Solution
- Step 1: Write the proportion equation
63.26 : 87.26 = 41.44 : x - Step 2: Convert to fraction form
63.26/87.26 = 41.44/x - Step 3: Cross multiply
63.26x = 87.26 × 41.44 - Step 4: Simplify right side
63.26x = 3,616.05 - Step 5: Solve for x
x = 3,616.05/63.26 - Step 6: Final answer
x = 57.16
Related Problems
Find fourth proportional to 31.63, 43.63 and 20.72
Half scale
Find fourth proportional to 126.52, 174.52 and 82.88
Double scale
Find fourth proportional to 64.26, 88.64 and 42.44
Similar ratio
Find fourth proportional to 94.89, 130.89 and 62.16
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.