Finding the Fourth Proportional to 269.44, 372 and 166
Calculator
Solution
The fourth proportional to 269.44, 372 and 166 is: 229.19
Step by Step Solution
- Step 1: Write the proportion equation
269.44 : 372 = 166 : x - Step 2: Convert to fraction form
269.44/372 = 166/x - Step 3: Cross multiply
269.44x = 372 × 166 - Step 4: Simplify right side
269.44x = 61,752 - Step 5: Solve for x
x = 61,752/269.44 - Step 6: Final answer
x = 229.19
Related Problems
Find fourth proportional to 134.72, 186 and 83
Half scale
Find fourth proportional to 538.88, 744 and 332
Double scale
Find fourth proportional to 270.44, 373.38 and 167
Similar ratio
Find fourth proportional to 404.16, 558 and 249
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.