Finding the Fourth Proportional to 325.17, 448.75 and 177.81
Calculator
Solution
The fourth proportional to 325.17, 448.75 and 177.81 is: 245.39
Step by Step Solution
- Step 1: Write the proportion equation
325.17 : 448.75 = 177.81 : x - Step 2: Convert to fraction form
325.17/448.75 = 177.81/x - Step 3: Cross multiply
325.17x = 448.75 × 177.81 - Step 4: Simplify right side
325.17x = 79,792.24 - Step 5: Solve for x
x = 79,792.24/325.17 - Step 6: Final answer
x = 245.39
Related Problems
Find fourth proportional to 162.59, 224.38 and 88.91
Half scale
Find fourth proportional to 650.34, 897.50 and 355.62
Double scale
Find fourth proportional to 326.17, 450.13 and 178.81
Similar ratio
Find fourth proportional to 487.76, 673.13 and 266.72
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.