Finding the Fourth Proportional to 364.99, 503.66 and 199.18
Calculator
Solution
The fourth proportional to 364.99, 503.66 and 199.18 is: 274.85
Step by Step Solution
- Step 1: Write the proportion equation
364.99 : 503.66 = 199.18 : x - Step 2: Convert to fraction form
364.99/503.66 = 199.18/x - Step 3: Cross multiply
364.99x = 503.66 × 199.18 - Step 4: Simplify right side
364.99x = 100,319.00 - Step 5: Solve for x
x = 100,319.00/364.99 - Step 6: Final answer
x = 274.85
Related Problems
Find fourth proportional to 182.50, 251.83 and 99.59
Half scale
Find fourth proportional to 729.98, 1,007.32 and 398.36
Double scale
Find fourth proportional to 365.99, 505.04 and 200.18
Similar ratio
Find fourth proportional to 547.49, 755.49 and 298.77
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.