Finding the Fourth Proportional to 327.99, 452.61 and 188.12
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Solution
The fourth proportional to 327.99, 452.61 and 188.12 is: 259.60
Step by Step Solution
- Step 1: Write the proportion equation
327.99 : 452.61 = 188.12 : x - Step 2: Convert to fraction form
327.99/452.61 = 188.12/x - Step 3: Cross multiply
327.99x = 452.61 × 188.12 - Step 4: Simplify right side
327.99x = 85,144.99 - Step 5: Solve for x
x = 85,144.99/327.99 - Step 6: Final answer
x = 259.60
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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.