Finding the Fourth Proportional to 286.00, 394.26 and 246.49
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Solution
The fourth proportional to 286.00, 394.26 and 246.49 is: 339.79
Step by Step Solution
- Step 1: Write the proportion equation
286.00 : 394.26 = 246.49 : x - Step 2: Convert to fraction form
286.00/394.26 = 246.49/x - Step 3: Cross multiply
286.00x = 394.26 × 246.49 - Step 4: Simplify right side
286.00x = 97,179.24 - Step 5: Solve for x
x = 97,179.24/286.00 - Step 6: Final answer
x = 339.79
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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.