Finding the Fourth Proportional to 164.99, 247.14 and 119.43
Calculator
Solution
The fourth proportional to 164.99, 247.14 and 119.43 is: 178.90
Step by Step Solution
- Step 1: Write the proportion equation
164.99 : 247.14 = 119.43 : x - Step 2: Convert to fraction form
164.99/247.14 = 119.43/x - Step 3: Cross multiply
164.99x = 247.14 × 119.43 - Step 4: Simplify right side
164.99x = 29,515.93 - Step 5: Solve for x
x = 29,515.93/164.99 - Step 6: Final answer
x = 178.90
Related Problems
Find fourth proportional to 82.49, 123.57 and 59.72
Half scale
Find fourth proportional to 329.97, 494.28 and 238.86
Double scale
Find fourth proportional to 165.99, 248.64 and 120.43
Similar ratio
Find fourth proportional to 247.48, 370.71 and 179.15
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.