Finding the Fourth Proportional to 423.23, 584.09 and 236.75
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Solution
The fourth proportional to 423.23, 584.09 and 236.75 is: 326.74
Step by Step Solution
- Step 1: Write the proportion equation
423.23 : 584.09 = 236.75 : x - Step 2: Convert to fraction form
423.23/584.09 = 236.75/x - Step 3: Cross multiply
423.23x = 584.09 × 236.75 - Step 4: Simplify right side
423.23x = 138,283.58 - Step 5: Solve for x
x = 138,283.58/423.23 - Step 6: Final answer
x = 326.74
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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.