Finding the Fourth Proportional to 286.36, 395.24 and 169.99
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Solution
The fourth proportional to 286.36, 395.24 and 169.99 is: 234.62
Step by Step Solution
- Step 1: Write the proportion equation
286.36 : 395.24 = 169.99 : x - Step 2: Convert to fraction form
286.36/395.24 = 169.99/x - Step 3: Cross multiply
286.36x = 395.24 × 169.99 - Step 4: Simplify right side
286.36x = 67,186.00 - Step 5: Solve for x
x = 67,186.00/286.36 - Step 6: Final answer
x = 234.62
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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.