Finding the Fourth Proportional to 146.44, 201.99 and 97.21
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Solution
The fourth proportional to 146.44, 201.99 and 97.21 is: 134.09
Step by Step Solution
- Step 1: Write the proportion equation
146.44 : 201.99 = 97.21 : x - Step 2: Convert to fraction form
146.44/201.99 = 97.21/x - Step 3: Cross multiply
146.44x = 201.99 × 97.21 - Step 4: Simplify right side
146.44x = 19,635.45 - Step 5: Solve for x
x = 19,635.45/146.44 - Step 6: Final answer
x = 134.09
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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.