Finding the Fourth Proportional to 246.49, 369.74 and 102.21
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Solution
The fourth proportional to 246.49, 369.74 and 102.21 is: 153.32
Step by Step Solution
- Step 1: Write the proportion equation
246.49 : 369.74 = 102.21 : x - Step 2: Convert to fraction form
246.49/369.74 = 102.21/x - Step 3: Cross multiply
246.49x = 369.74 × 102.21 - Step 4: Simplify right side
246.49x = 37,791.13 - Step 5: Solve for x
x = 37,791.13/246.49 - Step 6: Final answer
x = 153.32
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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.