Finding the Fourth Proportional to 423.28, 584.08 and 236.73
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Solution
The fourth proportional to 423.28, 584.08 and 236.73 is: 326.66
Step by Step Solution
- Step 1: Write the proportion equation
423.28 : 584.08 = 236.73 : x - Step 2: Convert to fraction form
423.28/584.08 = 236.73/x - Step 3: Cross multiply
423.28x = 584.08 × 236.73 - Step 4: Simplify right side
423.28x = 138,269.26 - Step 5: Solve for x
x = 138,269.26/423.28 - Step 6: Final answer
x = 326.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.