Finding the Fourth Proportional to 600, 900.27 and 343.50
Calculator
Solution
The fourth proportional to 600, 900.27 and 343.50 is: 515.40
Step by Step Solution
- Step 1: Write the proportion equation
600 : 900.27 = 343.50 : x - Step 2: Convert to fraction form
600/900.27 = 343.50/x - Step 3: Cross multiply
600x = 900.27 × 343.50 - Step 4: Simplify right side
600x = 309,242.75 - Step 5: Solve for x
x = 309,242.75/600 - Step 6: Final answer
x = 515.40
Related Problems
Find fourth proportional to 300, 450.14 and 171.75
Half scale
Find fourth proportional to 1,200, 1,800.54 and 687
Double scale
Find fourth proportional to 601, 901.77 and 344.50
Similar ratio
Find fourth proportional to 900, 1,350.41 and 515.25
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.