Finding the Fourth Proportional to 380.27, 567.57 and 327.98
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Solution
The fourth proportional to 380.27, 567.57 and 327.98 is: 489.52
Step by Step Solution
- Step 1: Write the proportion equation
380.27 : 567.57 = 327.98 : x - Step 2: Convert to fraction form
380.27/567.57 = 327.98/x - Step 3: Cross multiply
380.27x = 567.57 × 327.98 - Step 4: Simplify right side
380.27x = 186,151.61 - Step 5: Solve for x
x = 186,151.61/380.27 - Step 6: Final answer
x = 489.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.