Finding the Fourth Proportional to 327.78, 452.21 and 194.99
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Solution
The fourth proportional to 327.78, 452.21 and 194.99 is: 269.00
Step by Step Solution
- Step 1: Write the proportion equation
327.78 : 452.21 = 194.99 : x - Step 2: Convert to fraction form
327.78/452.21 = 194.99/x - Step 3: Cross multiply
327.78x = 452.21 × 194.99 - Step 4: Simplify right side
327.78x = 88,173.19 - Step 5: Solve for x
x = 88,173.19/327.78 - Step 6: Final answer
x = 269.00
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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.