Finding the Fourth Proportional to 197.26, 271.99 and 187
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Solution
The fourth proportional to 197.26, 271.99 and 187 is: 257.84
Step by Step Solution
- Step 1: Write the proportion equation
197.26 : 271.99 = 187 : x - Step 2: Convert to fraction form
197.26/271.99 = 187/x - Step 3: Cross multiply
197.26x = 271.99 × 187 - Step 4: Simplify right side
197.26x = 50,862.13 - Step 5: Solve for x
x = 50,862.13/197.26 - Step 6: Final answer
x = 257.84
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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.