Finding the Fourth Proportional to 197.88, 273.08 and 110.55
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Solution
The fourth proportional to 197.88, 273.08 and 110.55 is: 152.56
Step by Step Solution
- Step 1: Write the proportion equation
197.88 : 273.08 = 110.55 : x - Step 2: Convert to fraction form
197.88/273.08 = 110.55/x - Step 3: Cross multiply
197.88x = 273.08 × 110.55 - Step 4: Simplify right side
197.88x = 30,188.99 - Step 5: Solve for x
x = 30,188.99/197.88 - Step 6: Final answer
x = 152.56
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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.