Finding the Fourth Proportional to 246.24, 339.78 and 163.19
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Solution
The fourth proportional to 246.24, 339.78 and 163.19 is: 225.18
Step by Step Solution
- Step 1: Write the proportion equation
246.24 : 339.78 = 163.19 : x - Step 2: Convert to fraction form
246.24/339.78 = 163.19/x - Step 3: Cross multiply
246.24x = 339.78 × 163.19 - Step 4: Simplify right side
246.24x = 55,448.70 - Step 5: Solve for x
x = 55,448.70/246.24 - Step 6: Final answer
x = 225.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.