Finding the Fourth Proportional to 327.69, 491.08 and 235.96
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Solution
The fourth proportional to 327.69, 491.08 and 235.96 is: 353.61
Step by Step Solution
- Step 1: Write the proportion equation
327.69 : 491.08 = 235.96 : x - Step 2: Convert to fraction form
327.69/491.08 = 235.96/x - Step 3: Cross multiply
327.69x = 491.08 × 235.96 - Step 4: Simplify right side
327.69x = 115,875.24 - Step 5: Solve for x
x = 115,875.24/327.69 - Step 6: Final answer
x = 353.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.