Finding the Fourth Proportional to 64.13, 95.99 and 54.99
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Solution
The fourth proportional to 64.13, 95.99 and 54.99 is: 82.31
Step by Step Solution
- Step 1: Write the proportion equation
64.13 : 95.99 = 54.99 : x - Step 2: Convert to fraction form
64.13/95.99 = 54.99/x - Step 3: Cross multiply
64.13x = 95.99 × 54.99 - Step 4: Simplify right side
64.13x = 5,278.22 - Step 5: Solve for x
x = 5,278.22/64.13 - Step 6: Final answer
x = 82.31
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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.