Finding the Fourth Proportional to 163.99, 246.01 and 54.26
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Solution
The fourth proportional to 163.99, 246.01 and 54.26 is: 81.40
Step by Step Solution
- Step 1: Write the proportion equation
163.99 : 246.01 = 54.26 : x - Step 2: Convert to fraction form
163.99/246.01 = 54.26/x - Step 3: Cross multiply
163.99x = 246.01 × 54.26 - Step 4: Simplify right side
163.99x = 13,348.23 - Step 5: Solve for x
x = 13,348.23/163.99 - Step 6: Final answer
x = 81.40
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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.