Finding the Fourth Proportional to 247.19, 341.08 and 164.12
Calculator
Solution
The fourth proportional to 247.19, 341.08 and 164.12 is: 226.45
Step by Step Solution
- Step 1: Write the proportion equation
247.19 : 341.08 = 164.12 : x - Step 2: Convert to fraction form
247.19/341.08 = 164.12/x - Step 3: Cross multiply
247.19x = 341.08 × 164.12 - Step 4: Simplify right side
247.19x = 55,975.93 - Step 5: Solve for x
x = 55,975.93/247.19 - Step 6: Final answer
x = 226.45
Related Problems
Find fourth proportional to 123.59, 170.54 and 82.06
Half scale
Find fourth proportional to 494.37, 682.16 and 328.23
Double scale
Find fourth proportional to 248.19, 342.46 and 165.12
Similar ratio
Find fourth proportional to 370.78, 511.62 and 246.17
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.