Finding the Fourth Proportional to 394.23, 544.12 and 236.99
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Solution
The fourth proportional to 394.23, 544.12 and 236.99 is: 327.09
Step by Step Solution
- Step 1: Write the proportion equation
394.23 : 544.12 = 236.99 : x - Step 2: Convert to fraction form
394.23/544.12 = 236.99/x - Step 3: Cross multiply
394.23x = 544.12 × 236.99 - Step 4: Simplify right side
394.23x = 128,951.77 - Step 5: Solve for x
x = 128,951.77/394.23 - Step 6: Final answer
x = 327.09
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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.