Finding the Fourth Proportional to 946.11, 1,418.42 and 360.99
Calculator
Solution
The fourth proportional to 946.11, 1,418.42 and 360.99 is: 541.20
Step by Step Solution
- Step 1: Write the proportion equation
946.11 : 1,418.42 = 360.99 : x - Step 2: Convert to fraction form
946.11/1,418.42 = 360.99/x - Step 3: Cross multiply
946.11x = 1,418.42 × 360.99 - Step 4: Simplify right side
946.11x = 512,035.44 - Step 5: Solve for x
x = 512,035.44/946.11 - Step 6: Final answer
x = 541.20
Related Problems
Find fourth proportional to 473.06, 709.21 and 180.50
Half scale
Find fourth proportional to 1,892.22, 2,836.84 and 721.98
Double scale
Find fourth proportional to 947.11, 1,419.92 and 361.99
Similar ratio
Find fourth proportional to 1,419.17, 2,127.63 and 541.49
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.