Finding the Fourth Proportional to 378, 567 and 150
Calculator
Solution
The fourth proportional to 378, 567 and 150 is: 225
Step by Step Solution
- Step 1: Write the proportion equation
378 : 567 = 150 : x - Step 2: Convert to fraction form
378/567 = 150/x - Step 3: Cross multiply
378x = 567 × 150 - Step 4: Simplify right side
378x = 85,050 - Step 5: Solve for x
x = 85,050/378 - Step 6: Final answer
x = 225
Related Problems
Find fourth proportional to 189, 283.50 and 75
Half scale
Find fourth proportional to 756, 1,134 and 300
Double scale
Find fourth proportional to 379, 568.50 and 151
Similar ratio
Find fourth proportional to 567, 850.50 and 225
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.