Finding the Fourth Proportional to 349.69, 524.64 and 239.74
Calculator
Solution
The fourth proportional to 349.69, 524.64 and 239.74 is: 359.68
Step by Step Solution
- Step 1: Write the proportion equation
349.69 : 524.64 = 239.74 : x - Step 2: Convert to fraction form
349.69/524.64 = 239.74/x - Step 3: Cross multiply
349.69x = 524.64 × 239.74 - Step 4: Simplify right side
349.69x = 125,777.19 - Step 5: Solve for x
x = 125,777.19/349.69 - Step 6: Final answer
x = 359.68
Related Problems
Find fourth proportional to 174.85, 262.32 and 119.87
Half scale
Find fourth proportional to 699.38, 1,049.28 and 479.48
Double scale
Find fourth proportional to 350.69, 526.14 and 240.74
Similar ratio
Find fourth proportional to 524.54, 786.96 and 359.61
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.