Finding the Fourth Proportional to 360.99, 540.68 and 274.19
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Solution
The fourth proportional to 360.99, 540.68 and 274.19 is: 410.66
Step by Step Solution
- Step 1: Write the proportion equation
360.99 : 540.68 = 274.19 : x - Step 2: Convert to fraction form
360.99/540.68 = 274.19/x - Step 3: Cross multiply
360.99x = 540.68 × 274.19 - Step 4: Simplify right side
360.99x = 148,244.97 - Step 5: Solve for x
x = 148,244.97/360.99 - Step 6: Final answer
x = 410.66
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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.