Finding the Fourth Proportional to 286.68, 395.28 and 183
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Solution
The fourth proportional to 286.68, 395.28 and 183 is: 252.32
Step by Step Solution
- Step 1: Write the proportion equation
286.68 : 395.28 = 183 : x - Step 2: Convert to fraction form
286.68/395.28 = 183/x - Step 3: Cross multiply
286.68x = 395.28 × 183 - Step 4: Simplify right side
286.68x = 72,336.24 - Step 5: Solve for x
x = 72,336.24/286.68 - Step 6: Final answer
x = 252.32
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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.