Finding the Fourth Proportional to 1,201.70, 1,802.34 and 336
Calculator
Solution
The fourth proportional to 1,201.70, 1,802.34 and 336 is: 503.94
Step by Step Solution
- Step 1: Write the proportion equation
1,201.70 : 1,802.34 = 336 : x - Step 2: Convert to fraction form
1,201.70/1,802.34 = 336/x - Step 3: Cross multiply
1,201.70x = 1,802.34 × 336 - Step 4: Simplify right side
1,201.70x = 605,586.24 - Step 5: Solve for x
x = 605,586.24/1,201.70 - Step 6: Final answer
x = 503.94
Related Problems
Find fourth proportional to 600.85, 901.17 and 168
Half scale
Find fourth proportional to 2,403.40, 3,604.68 and 672
Double scale
Find fourth proportional to 1,202.70, 1,803.84 and 337
Similar ratio
Find fourth proportional to 1,802.55, 2,703.51 and 504
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.