Finding the Fourth Proportional to 192, 264.96 and 123.12
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Solution
The fourth proportional to 192, 264.96 and 123.12 is: 169.91
Step by Step Solution
- Step 1: Write the proportion equation
192 : 264.96 = 123.12 : x - Step 2: Convert to fraction form
192/264.96 = 123.12/x - Step 3: Cross multiply
192x = 264.96 × 123.12 - Step 4: Simplify right side
192x = 32,621.88 - Step 5: Solve for x
x = 32,621.88/192 - Step 6: Final answer
x = 169.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.