Finding the Fourth Proportional to 64.08, 96.09 and 27.99
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Solution
The fourth proportional to 64.08, 96.09 and 27.99 is: 41.97
Step by Step Solution
- Step 1: Write the proportion equation
64.08 : 96.09 = 27.99 : x - Step 2: Convert to fraction form
64.08/96.09 = 27.99/x - Step 3: Cross multiply
64.08x = 96.09 × 27.99 - Step 4: Simplify right side
64.08x = 2,689.56 - Step 5: Solve for x
x = 2,689.56/64.08 - Step 6: Final answer
x = 41.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.