Finding the Fourth Proportional to 177.70, 266.28 and 132.08
Calculator
Solution
The fourth proportional to 177.70, 266.28 and 132.08 is: 197.92
Step by Step Solution
- Step 1: Write the proportion equation
177.70 : 266.28 = 132.08 : x - Step 2: Convert to fraction form
177.70/266.28 = 132.08/x - Step 3: Cross multiply
177.70x = 266.28 × 132.08 - Step 4: Simplify right side
177.70x = 35,170.26 - Step 5: Solve for x
x = 35,170.26/177.70 - Step 6: Final answer
x = 197.92
Related Problems
Find fourth proportional to 88.85, 133.14 and 66.04
Half scale
Find fourth proportional to 355.40, 532.56 and 264.16
Double scale
Find fourth proportional to 178.70, 267.78 and 133.08
Similar ratio
Find fourth proportional to 266.55, 399.42 and 198.12
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.