Finding the Fourth Proportional to 443.14, 664.76 and 269.94
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Solution
The fourth proportional to 443.14, 664.76 and 269.94 is: 404.94
Step by Step Solution
- Step 1: Write the proportion equation
443.14 : 664.76 = 269.94 : x - Step 2: Convert to fraction form
443.14/664.76 = 269.94/x - Step 3: Cross multiply
443.14x = 664.76 × 269.94 - Step 4: Simplify right side
443.14x = 179,445.31 - Step 5: Solve for x
x = 179,445.31/443.14 - Step 6: Final answer
x = 404.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.