Finding the Fourth Proportional to 132.81, 198.99 and 94.23
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Solution
The fourth proportional to 132.81, 198.99 and 94.23 is: 141.19
Step by Step Solution
- Step 1: Write the proportion equation
132.81 : 198.99 = 94.23 : x - Step 2: Convert to fraction form
132.81/198.99 = 94.23/x - Step 3: Cross multiply
132.81x = 198.99 × 94.23 - Step 4: Simplify right side
132.81x = 18,750.83 - Step 5: Solve for x
x = 18,750.83/132.81 - Step 6: Final answer
x = 141.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.