Finding the Fourth Proportional to 372.10, 513.26 and 224.68
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Solution
The fourth proportional to 372.10, 513.26 and 224.68 is: 309.91
Step by Step Solution
- Step 1: Write the proportion equation
372.10 : 513.26 = 224.68 : x - Step 2: Convert to fraction form
372.10/513.26 = 224.68/x - Step 3: Cross multiply
372.10x = 513.26 × 224.68 - Step 4: Simplify right side
372.10x = 115,319.26 - Step 5: Solve for x
x = 115,319.26/372.10 - Step 6: Final answer
x = 309.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.