Finding the Fourth Proportional to 366.20, 549.34 and 122.74
Calculator
Solution
The fourth proportional to 366.20, 549.34 and 122.74 is: 184.12
Step by Step Solution
- Step 1: Write the proportion equation
366.20 : 549.34 = 122.74 : x - Step 2: Convert to fraction form
366.20/549.34 = 122.74/x - Step 3: Cross multiply
366.20x = 549.34 × 122.74 - Step 4: Simplify right side
366.20x = 67,425.99 - Step 5: Solve for x
x = 67,425.99/366.20 - Step 6: Final answer
x = 184.12
Related Problems
Find fourth proportional to 183.10, 274.67 and 61.37
Half scale
Find fourth proportional to 732.40, 1,098.68 and 245.48
Double scale
Find fourth proportional to 367.20, 550.84 and 123.74
Similar ratio
Find fourth proportional to 549.30, 824.01 and 184.11
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.