Finding the Fourth Proportional to 496.97, 685.82 and 435.00
Calculator
Solution
The fourth proportional to 496.97, 685.82 and 435.00 is: 600.31
Step by Step Solution
- Step 1: Write the proportion equation
496.97 : 685.82 = 435.00 : x - Step 2: Convert to fraction form
496.97/685.82 = 435.00/x - Step 3: Cross multiply
496.97x = 685.82 × 435.00 - Step 4: Simplify right side
496.97x = 298,332.91 - Step 5: Solve for x
x = 298,332.91/496.97 - Step 6: Final answer
x = 600.31
Related Problems
Find fourth proportional to 248.48, 342.91 and 217.50
Half scale
Find fourth proportional to 993.94, 1,371.63 and 870.01
Double scale
Find fourth proportional to 497.97, 687.20 and 436
Similar ratio
Find fourth proportional to 745.45, 1,028.73 and 652.51
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.