Finding the Fourth Proportional to 348.15, 480 and 246.99
Calculator
Solution
The fourth proportional to 348.15, 480 and 246.99 is: 340.53
Step by Step Solution
- Step 1: Write the proportion equation
348.15 : 480 = 246.99 : x - Step 2: Convert to fraction form
348.15/480 = 246.99/x - Step 3: Cross multiply
348.15x = 480 × 246.99 - Step 4: Simplify right side
348.15x = 118,555.20 - Step 5: Solve for x
x = 118,555.20/348.15 - Step 6: Final answer
x = 340.53
Related Problems
Find fourth proportional to 174.08, 240 and 123.50
Half scale
Find fourth proportional to 696.30, 960 and 493.98
Double scale
Find fourth proportional to 349.15, 481.38 and 247.99
Similar ratio
Find fourth proportional to 522.23, 720 and 370.49
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.