Finding the Fourth Proportional to 246.08, 369.36 and 138.08
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Solution
The fourth proportional to 246.08, 369.36 and 138.08 is: 207.25
Step by Step Solution
- Step 1: Write the proportion equation
246.08 : 369.36 = 138.08 : x - Step 2: Convert to fraction form
246.08/369.36 = 138.08/x - Step 3: Cross multiply
246.08x = 369.36 × 138.08 - Step 4: Simplify right side
246.08x = 51,001.23 - Step 5: Solve for x
x = 51,001.23/246.08 - Step 6: Final answer
x = 207.25
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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.