Finding the Fourth Proportional to 192.81, 288.99 and 166.65
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Solution
The fourth proportional to 192.81, 288.99 and 166.65 is: 249.78
Step by Step Solution
- Step 1: Write the proportion equation
192.81 : 288.99 = 166.65 : x - Step 2: Convert to fraction form
192.81/288.99 = 166.65/x - Step 3: Cross multiply
192.81x = 288.99 × 166.65 - Step 4: Simplify right side
192.81x = 48,160.18 - Step 5: Solve for x
x = 48,160.18/192.81 - Step 6: Final answer
x = 249.78
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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.