Finding the Fourth Proportional to 135.96, 187.60 and 97.18
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Solution
The fourth proportional to 135.96, 187.60 and 97.18 is: 134.09
Step by Step Solution
- Step 1: Write the proportion equation
135.96 : 187.60 = 97.18 : x - Step 2: Convert to fraction form
135.96/187.60 = 97.18/x - Step 3: Cross multiply
135.96x = 187.60 × 97.18 - Step 4: Simplify right side
135.96x = 18,230.97 - Step 5: Solve for x
x = 18,230.97/135.96 - 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.