Finding the Fourth Proportional to 802.11, 1,202.44 and 288.99
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Solution
The fourth proportional to 802.11, 1,202.44 and 288.99 is: 433.22
Step by Step Solution
- Step 1: Write the proportion equation
802.11 : 1,202.44 = 288.99 : x - Step 2: Convert to fraction form
802.11/1,202.44 = 288.99/x - Step 3: Cross multiply
802.11x = 1,202.44 × 288.99 - Step 4: Simplify right side
802.11x = 347,493.14 - Step 5: Solve for x
x = 347,493.14/802.11 - Step 6: Final answer
x = 433.22
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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.