Finding the Fourth Proportional to 233.78, 350.68 and 112
Calculator
Solution
The fourth proportional to 233.78, 350.68 and 112 is: 168.00
Step by Step Solution
- Step 1: Write the proportion equation
233.78 : 350.68 = 112 : x - Step 2: Convert to fraction form
233.78/350.68 = 112/x - Step 3: Cross multiply
233.78x = 350.68 × 112 - Step 4: Simplify right side
233.78x = 39,276.16 - Step 5: Solve for x
x = 39,276.16/233.78 - Step 6: Final answer
x = 168.00
Related Problems
Find fourth proportional to 116.89, 175.34 and 56
Half scale
Find fourth proportional to 467.56, 701.36 and 224
Double scale
Find fourth proportional to 234.78, 352.18 and 113
Similar ratio
Find fourth proportional to 350.67, 526.02 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.