Finding the Fourth Proportional to 163.91, 246.14 and 157.37
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Solution
The fourth proportional to 163.91, 246.14 and 157.37 is: 236.31
Step by Step Solution
- Step 1: Write the proportion equation
163.91 : 246.14 = 157.37 : x - Step 2: Convert to fraction form
163.91/246.14 = 157.37/x - Step 3: Cross multiply
163.91x = 246.14 × 157.37 - Step 4: Simplify right side
163.91x = 38,733.03 - Step 5: Solve for x
x = 38,733.03/163.91 - Step 6: Final answer
x = 236.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.