Finding the Fourth Proportional to 481.68, 663.68 and 370.95
Calculator
Solution
The fourth proportional to 481.68, 663.68 and 370.95 is: 511.11
Step by Step Solution
- Step 1: Write the proportion equation
481.68 : 663.68 = 370.95 : x - Step 2: Convert to fraction form
481.68/663.68 = 370.95/x - Step 3: Cross multiply
481.68x = 663.68 × 370.95 - Step 4: Simplify right side
481.68x = 246,190.24 - Step 5: Solve for x
x = 246,190.24/481.68 - Step 6: Final answer
x = 511.11
Related Problems
Find fourth proportional to 240.84, 331.84 and 185.48
Half scale
Find fourth proportional to 963.36, 1,327.35 and 741.90
Double scale
Find fourth proportional to 482.68, 665.05 and 371.95
Similar ratio
Find fourth proportional to 722.52, 995.51 and 556.43
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.