Finding the Fourth Proportional to 372.41, 513.73 and 224.99
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Solution
The fourth proportional to 372.41, 513.73 and 224.99 is: 310.37
Step by Step Solution
- Step 1: Write the proportion equation
372.41 : 513.73 = 224.99 : x - Step 2: Convert to fraction form
372.41/513.73 = 224.99/x - Step 3: Cross multiply
372.41x = 513.73 × 224.99 - Step 4: Simplify right side
372.41x = 115,584.11 - Step 5: Solve for x
x = 115,584.11/372.41 - Step 6: Final answer
x = 310.37
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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.