Finding the Fourth Proportional to 163.72, 246.08 and 109.96
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Solution
The fourth proportional to 163.72, 246.08 and 109.96 is: 165.28
Step by Step Solution
- Step 1: Write the proportion equation
163.72 : 246.08 = 109.96 : x - Step 2: Convert to fraction form
163.72/246.08 = 109.96/x - Step 3: Cross multiply
163.72x = 246.08 × 109.96 - Step 4: Simplify right side
163.72x = 27,058.96 - Step 5: Solve for x
x = 27,058.96/163.72 - Step 6: Final answer
x = 165.28
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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.