Finding the Fourth Proportional to 163.98, 226.26 and 98.49
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Solution
The fourth proportional to 163.98, 226.26 and 98.49 is: 135.90
Step by Step Solution
- Step 1: Write the proportion equation
163.98 : 226.26 = 98.49 : x - Step 2: Convert to fraction form
163.98/226.26 = 98.49/x - Step 3: Cross multiply
163.98x = 226.26 × 98.49 - Step 4: Simplify right side
163.98x = 22,284.35 - Step 5: Solve for x
x = 22,284.35/163.98 - Step 6: Final answer
x = 135.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.