Finding the Fourth Proportional to 328.26, 453.19 and 203.99
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Solution
The fourth proportional to 328.26, 453.19 and 203.99 is: 281.62
Step by Step Solution
- Step 1: Write the proportion equation
328.26 : 453.19 = 203.99 : x - Step 2: Convert to fraction form
328.26/453.19 = 203.99/x - Step 3: Cross multiply
328.26x = 453.19 × 203.99 - Step 4: Simplify right side
328.26x = 92,445.10 - Step 5: Solve for x
x = 92,445.10/328.26 - Step 6: Final answer
x = 281.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.