Finding the Fourth Proportional to 194.08, 291.36 and 122.08
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Solution
The fourth proportional to 194.08, 291.36 and 122.08 is: 183.27
Step by Step Solution
- Step 1: Write the proportion equation
194.08 : 291.36 = 122.08 : x - Step 2: Convert to fraction form
194.08/291.36 = 122.08/x - Step 3: Cross multiply
194.08x = 291.36 × 122.08 - Step 4: Simplify right side
194.08x = 35,569.23 - Step 5: Solve for x
x = 35,569.23/194.08 - Step 6: Final answer
x = 183.27
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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.