Finding the Fourth Proportional to 274.21, 409.19 and 245.00
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Solution
The fourth proportional to 274.21, 409.19 and 245.00 is: 365.61
Step by Step Solution
- Step 1: Write the proportion equation
274.21 : 409.19 = 245.00 : x - Step 2: Convert to fraction form
274.21/409.19 = 245.00/x - Step 3: Cross multiply
274.21x = 409.19 × 245.00 - Step 4: Simplify right side
274.21x = 100,253.99 - Step 5: Solve for x
x = 100,253.99/274.21 - Step 6: Final answer
x = 365.61
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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.