Finding the Fourth Proportional to 335.70, 463.18 and 211.38
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Solution
The fourth proportional to 335.70, 463.18 and 211.38 is: 291.65
Step by Step Solution
- Step 1: Write the proportion equation
335.70 : 463.18 = 211.38 : x - Step 2: Convert to fraction form
335.70/463.18 = 211.38/x - Step 3: Cross multiply
335.70x = 463.18 × 211.38 - Step 4: Simplify right side
335.70x = 97,906.99 - Step 5: Solve for x
x = 97,906.99/335.70 - Step 6: Final answer
x = 291.65
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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.