Finding the Fourth Proportional to 192.84, 266.18 and 163.72
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Solution
The fourth proportional to 192.84, 266.18 and 163.72 is: 225.99
Step by Step Solution
- Step 1: Write the proportion equation
192.84 : 266.18 = 163.72 : x - Step 2: Convert to fraction form
192.84/266.18 = 163.72/x - Step 3: Cross multiply
192.84x = 266.18 × 163.72 - Step 4: Simplify right side
192.84x = 43,578.99 - Step 5: Solve for x
x = 43,578.99/192.84 - Step 6: Final answer
x = 225.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.