Finding the Fourth Proportional to 361.19, 540.68 and 282.99
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Solution
The fourth proportional to 361.19, 540.68 and 282.99 is: 423.62
Step by Step Solution
- Step 1: Write the proportion equation
361.19 : 540.68 = 282.99 : x - Step 2: Convert to fraction form
361.19/540.68 = 282.99/x - Step 3: Cross multiply
361.19x = 540.68 × 282.99 - Step 4: Simplify right side
361.19x = 153,007.65 - Step 5: Solve for x
x = 153,007.65/361.19 - Step 6: Final answer
x = 423.62
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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.