Finding the Fourth Proportional to 194.05, 291.10 and 57.07
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Solution
The fourth proportional to 194.05, 291.10 and 57.07 is: 85.61
Step by Step Solution
- Step 1: Write the proportion equation
194.05 : 291.10 = 57.07 : x - Step 2: Convert to fraction form
194.05/291.10 = 57.07/x - Step 3: Cross multiply
194.05x = 291.10 × 57.07 - Step 4: Simplify right side
194.05x = 16,613.08 - Step 5: Solve for x
x = 16,613.08/194.05 - Step 6: Final answer
x = 85.61
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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.