Finding the Fourth Proportional to 537.96, 742.21 and 316.97
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Solution
The fourth proportional to 537.96, 742.21 and 316.97 is: 437.32
Step by Step Solution
- Step 1: Write the proportion equation
537.96 : 742.21 = 316.97 : x - Step 2: Convert to fraction form
537.96/742.21 = 316.97/x - Step 3: Cross multiply
537.96x = 742.21 × 316.97 - Step 4: Simplify right side
537.96x = 235,258.30 - Step 5: Solve for x
x = 235,258.30/537.96 - Step 6: Final answer
x = 437.32
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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.