Finding the Fourth Proportional to 197.93, 273.14 and 115.08
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Solution
The fourth proportional to 197.93, 273.14 and 115.08 is: 158.81
Step by Step Solution
- Step 1: Write the proportion equation
197.93 : 273.14 = 115.08 : x - Step 2: Convert to fraction form
197.93/273.14 = 115.08/x - Step 3: Cross multiply
197.93x = 273.14 × 115.08 - Step 4: Simplify right side
197.93x = 31,432.38 - Step 5: Solve for x
x = 31,432.38/197.93 - Step 6: Final answer
x = 158.81
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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.