Finding the Fourth Proportional to 793.99, 1,190.99 and 361.18
Calculator
Solution
The fourth proportional to 793.99, 1,190.99 and 361.18 is: 541.77
Step by Step Solution
- Step 1: Write the proportion equation
793.99 : 1,190.99 = 361.18 : x - Step 2: Convert to fraction form
793.99/1,190.99 = 361.18/x - Step 3: Cross multiply
793.99x = 1,190.99 × 361.18 - Step 4: Simplify right side
793.99x = 430,161.77 - Step 5: Solve for x
x = 430,161.77/793.99 - Step 6: Final answer
x = 541.77
Related Problems
Find fourth proportional to 397.00, 595.50 and 180.59
Half scale
Find fourth proportional to 1,587.98, 2,381.98 and 722.36
Double scale
Find fourth proportional to 794.99, 1,192.49 and 362.18
Similar ratio
Find fourth proportional to 1,190.99, 1,786.49 and 541.77
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.