Finding the Fourth Proportional to 192.93, 266.19 and 130.97
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Solution
The fourth proportional to 192.93, 266.19 and 130.97 is: 180.70
Step by Step Solution
- Step 1: Write the proportion equation
192.93 : 266.19 = 130.97 : x - Step 2: Convert to fraction form
192.93/266.19 = 130.97/x - Step 3: Cross multiply
192.93x = 266.19 × 130.97 - Step 4: Simplify right side
192.93x = 34,861.57 - Step 5: Solve for x
x = 34,861.57/192.93 - Step 6: Final answer
x = 180.70
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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.