Finding the Fourth Proportional to 383.24, 575.03 and 163.92
Calculator
Solution
The fourth proportional to 383.24, 575.03 and 163.92 is: 245.95
Step by Step Solution
- Step 1: Write the proportion equation
383.24 : 575.03 = 163.92 : x - Step 2: Convert to fraction form
383.24/575.03 = 163.92/x - Step 3: Cross multiply
383.24x = 575.03 × 163.92 - Step 4: Simplify right side
383.24x = 94,258.10 - Step 5: Solve for x
x = 94,258.10/383.24 - Step 6: Final answer
x = 245.95
Related Problems
Find fourth proportional to 191.62, 287.51 and 81.96
Half scale
Find fourth proportional to 766.47, 1,150.05 and 327.84
Double scale
Find fourth proportional to 384.24, 576.53 and 164.92
Similar ratio
Find fourth proportional to 574.85, 862.54 and 245.88
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.