Finding the Fourth Proportional to 372.36, 513.84 and 246.18
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Solution
The fourth proportional to 372.36, 513.84 and 246.18 is: 339.72
Step by Step Solution
- Step 1: Write the proportion equation
372.36 : 513.84 = 246.18 : x - Step 2: Convert to fraction form
372.36/513.84 = 246.18/x - Step 3: Cross multiply
372.36x = 513.84 × 246.18 - Step 4: Simplify right side
372.36x = 126,497.13 - Step 5: Solve for x
x = 126,497.13/372.36 - Step 6: Final answer
x = 339.72
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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.