Finding the Fourth Proportional to 822, 1,233 and 244.88
Calculator
Solution
The fourth proportional to 822, 1,233 and 244.88 is: 367.32
Step by Step Solution
- Step 1: Write the proportion equation
822 : 1,233 = 244.88 : x - Step 2: Convert to fraction form
822/1,233 = 244.88/x - Step 3: Cross multiply
822x = 1,233 × 244.88 - Step 4: Simplify right side
822x = 301,937.04 - Step 5: Solve for x
x = 301,937.04/822 - Step 6: Final answer
x = 367.32
Related Problems
Find fourth proportional to 411, 616.50 and 122.44
Half scale
Find fourth proportional to 1,644, 2,466 and 489.76
Double scale
Find fourth proportional to 823, 1,234.50 and 245.88
Similar ratio
Find fourth proportional to 1,233, 1,849.50 and 367.32
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.