Finding the Fourth Proportional to 246.11, 368.73 and 163.79
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Solution
The fourth proportional to 246.11, 368.73 and 163.79 is: 245.40
Step by Step Solution
- Step 1: Write the proportion equation
246.11 : 368.73 = 163.79 : x - Step 2: Convert to fraction form
246.11/368.73 = 163.79/x - Step 3: Cross multiply
246.11x = 368.73 × 163.79 - Step 4: Simplify right side
246.11x = 60,394.29 - Step 5: Solve for x
x = 60,394.29/246.11 - Step 6: Final answer
x = 245.40
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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.