Finding the Fourth Proportional to 371.91, 513.18 and 214.55
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Solution
The fourth proportional to 371.91, 513.18 and 214.55 is: 296.04
Step by Step Solution
- Step 1: Write the proportion equation
371.91 : 513.18 = 214.55 : x - Step 2: Convert to fraction form
371.91/513.18 = 214.55/x - Step 3: Cross multiply
371.91x = 513.18 × 214.55 - Step 4: Simplify right side
371.91x = 110,102.13 - Step 5: Solve for x
x = 110,102.13/371.91 - Step 6: Final answer
x = 296.04
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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.