Finding the Fourth Proportional to 331.42, 497.13 and 112
Calculator
Solution
The fourth proportional to 331.42, 497.13 and 112 is: 168.00
Step by Step Solution
- Step 1: Write the proportion equation
331.42 : 497.13 = 112 : x - Step 2: Convert to fraction form
331.42/497.13 = 112/x - Step 3: Cross multiply
331.42x = 497.13 × 112 - Step 4: Simplify right side
331.42x = 55,678 - Step 5: Solve for x
x = 55,678/331.42 - Step 6: Final answer
x = 168.00
Related Problems
Find fourth proportional to 165.71, 248.56 and 56
Half scale
Find fourth proportional to 662.83, 994.25 and 224
Double scale
Find fourth proportional to 332.42, 498.63 and 113
Similar ratio
Find fourth proportional to 497.12, 745.69 and 168
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.