Finding the Fourth Proportional to 246.70, 340.08 and 172.96
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Solution
The fourth proportional to 246.70, 340.08 and 172.96 is: 238.43
Step by Step Solution
- Step 1: Write the proportion equation
246.70 : 340.08 = 172.96 : x - Step 2: Convert to fraction form
246.70/340.08 = 172.96/x - Step 3: Cross multiply
246.70x = 340.08 × 172.96 - Step 4: Simplify right side
246.70x = 58,820.24 - Step 5: Solve for x
x = 58,820.24/246.70 - Step 6: Final answer
x = 238.43
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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.