Finding the Fourth Proportional to 274.29, 409.36 and 263.13
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Solution
The fourth proportional to 274.29, 409.36 and 263.13 is: 392.70
Step by Step Solution
- Step 1: Write the proportion equation
274.29 : 409.36 = 263.13 : x - Step 2: Convert to fraction form
274.29/409.36 = 263.13/x - Step 3: Cross multiply
274.29x = 409.36 × 263.13 - Step 4: Simplify right side
274.29x = 107,716.24 - Step 5: Solve for x
x = 107,716.24/274.29 - Step 6: Final answer
x = 392.70
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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.