Finding the Fourth Proportional to 224.24, 309.13 and 157.73
Calculator
Solution
The fourth proportional to 224.24, 309.13 and 157.73 is: 217.44
Step by Step Solution
- Step 1: Write the proportion equation
224.24 : 309.13 = 157.73 : x - Step 2: Convert to fraction form
224.24/309.13 = 157.73/x - Step 3: Cross multiply
224.24x = 309.13 × 157.73 - Step 4: Simplify right side
224.24x = 48,757.13 - Step 5: Solve for x
x = 48,757.13/224.24 - Step 6: Final answer
x = 217.44
Related Problems
Find fourth proportional to 112.12, 154.56 and 78.86
Half scale
Find fourth proportional to 448.47, 618.26 and 315.45
Double scale
Find fourth proportional to 225.24, 310.51 and 158.73
Similar ratio
Find fourth proportional to 336.35, 463.69 and 236.59
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.