Finding the Fourth Proportional to 372.39, 513.95 and 224.99
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Solution
The fourth proportional to 372.39, 513.95 and 224.99 is: 310.51
Step by Step Solution
- Step 1: Write the proportion equation
372.39 : 513.95 = 224.99 : x - Step 2: Convert to fraction form
372.39/513.95 = 224.99/x - Step 3: Cross multiply
372.39x = 513.95 × 224.99 - Step 4: Simplify right side
372.39x = 115,629.92 - Step 5: Solve for x
x = 115,629.92/372.39 - Step 6: Final answer
x = 310.51
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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.