Finding the Fourth Proportional to 215.92, 323.69 and 94.09
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Solution
The fourth proportional to 215.92, 323.69 and 94.09 is: 141.06
Step by Step Solution
- Step 1: Write the proportion equation
215.92 : 323.69 = 94.09 : x - Step 2: Convert to fraction form
215.92/323.69 = 94.09/x - Step 3: Cross multiply
215.92x = 323.69 × 94.09 - Step 4: Simplify right side
215.92x = 30,456.75 - Step 5: Solve for x
x = 30,456.75/215.92 - Step 6: Final answer
x = 141.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.