Finding the Fourth Proportional to 109.99, 164.62 and 97.99
Calculator
Solution
The fourth proportional to 109.99, 164.62 and 97.99 is: 146.66
Step by Step Solution
- Step 1: Write the proportion equation
109.99 : 164.62 = 97.99 : x - Step 2: Convert to fraction form
109.99/164.62 = 97.99/x - Step 3: Cross multiply
109.99x = 164.62 × 97.99 - Step 4: Simplify right side
109.99x = 16,131.11 - Step 5: Solve for x
x = 16,131.11/109.99 - Step 6: Final answer
x = 146.66
Related Problems
Find fourth proportional to 55.00, 82.31 and 49.00
Half scale
Find fourth proportional to 219.98, 329.24 and 195.98
Double scale
Find fourth proportional to 110.99, 166.12 and 98.99
Similar ratio
Find fourth proportional to 164.99, 246.93 and 146.99
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.