Finding the Fourth Proportional to 246.45, 368.88 and 163.99
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Solution
The fourth proportional to 246.45, 368.88 and 163.99 is: 245.46
Step by Step Solution
- Step 1: Write the proportion equation
246.45 : 368.88 = 163.99 : x - Step 2: Convert to fraction form
246.45/368.88 = 163.99/x - Step 3: Cross multiply
246.45x = 368.88 × 163.99 - Step 4: Simplify right side
246.45x = 60,492.63 - Step 5: Solve for x
x = 60,492.63/246.45 - Step 6: Final answer
x = 245.46
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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.