Finding the Fourth Proportional to 180.52, 270.86 and 95
Calculator
Solution
The fourth proportional to 180.52, 270.86 and 95 is: 142.54
Step by Step Solution
- Step 1: Write the proportion equation
180.52 : 270.86 = 95 : x - Step 2: Convert to fraction form
180.52/270.86 = 95/x - Step 3: Cross multiply
180.52x = 270.86 × 95 - Step 4: Simplify right side
180.52x = 25,731.70 - Step 5: Solve for x
x = 25,731.70/180.52 - Step 6: Final answer
x = 142.54
Related Problems
Find fourth proportional to 90.26, 135.43 and 47.50
Half scale
Find fourth proportional to 361.04, 541.72 and 190
Double scale
Find fourth proportional to 181.52, 272.36 and 96
Similar ratio
Find fourth proportional to 270.78, 406.29 and 142.50
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.