Finding the Fourth Proportional to 182.72, 274.08 and 61
Calculator
Solution
The fourth proportional to 182.72, 274.08 and 61 is: 91.50
Step by Step Solution
- Step 1: Write the proportion equation
182.72 : 274.08 = 61 : x - Step 2: Convert to fraction form
182.72/274.08 = 61/x - Step 3: Cross multiply
182.72x = 274.08 × 61 - Step 4: Simplify right side
182.72x = 16,718.88 - Step 5: Solve for x
x = 16,718.88/182.72 - Step 6: Final answer
x = 91.50
Related Problems
Find fourth proportional to 91.36, 137.04 and 30.50
Half scale
Find fourth proportional to 365.44, 548.16 and 122
Double scale
Find fourth proportional to 183.72, 275.58 and 62
Similar ratio
Find fourth proportional to 274.08, 411.12 and 91.50
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.