Finding the Fourth Proportional to 274.62, 410.68 and 205.26
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Solution
The fourth proportional to 274.62, 410.68 and 205.26 is: 306.95
Step by Step Solution
- Step 1: Write the proportion equation
274.62 : 410.68 = 205.26 : x - Step 2: Convert to fraction form
274.62/410.68 = 205.26/x - Step 3: Cross multiply
274.62x = 410.68 × 205.26 - Step 4: Simplify right side
274.62x = 84,294.64 - Step 5: Solve for x
x = 84,294.64/274.62 - Step 6: Final answer
x = 306.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.