Finding the Fourth Proportional to 192.60, 265.92 and 176.16
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Solution
The fourth proportional to 192.60, 265.92 and 176.16 is: 243.22
Step by Step Solution
- Step 1: Write the proportion equation
192.60 : 265.92 = 176.16 : x - Step 2: Convert to fraction form
192.60/265.92 = 176.16/x - Step 3: Cross multiply
192.60x = 265.92 × 176.16 - Step 4: Simplify right side
192.60x = 46,844.47 - Step 5: Solve for x
x = 46,844.47/192.60 - Step 6: Final answer
x = 243.22
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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.