Finding the Fourth Proportional to 583.92, 806.04 and 351
Calculator
Solution
The fourth proportional to 583.92, 806.04 and 351 is: 484.52
Step by Step Solution
- Step 1: Write the proportion equation
583.92 : 806.04 = 351 : x - Step 2: Convert to fraction form
583.92/806.04 = 351/x - Step 3: Cross multiply
583.92x = 806.04 × 351 - Step 4: Simplify right side
583.92x = 282,920.04 - Step 5: Solve for x
x = 282,920.04/583.92 - Step 6: Final answer
x = 484.52
Related Problems
Find fourth proportional to 291.96, 403.02 and 175.50
Half scale
Find fourth proportional to 1,167.84, 1,612.08 and 702
Double scale
Find fourth proportional to 584.92, 807.42 and 352
Similar ratio
Find fourth proportional to 875.88, 1,209.06 and 526.50
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.