Finding the Fourth Proportional to 96.08, 132.55 and 66.99
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Solution
The fourth proportional to 96.08, 132.55 and 66.99 is: 92.41
Step by Step Solution
- Step 1: Write the proportion equation
96.08 : 132.55 = 66.99 : x - Step 2: Convert to fraction form
96.08/132.55 = 66.99/x - Step 3: Cross multiply
96.08x = 132.55 × 66.99 - Step 4: Simplify right side
96.08x = 8,879.19 - Step 5: Solve for x
x = 8,879.19/96.08 - Step 6: Final answer
x = 92.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.