Finding the Fourth Proportional to 335.12, 462.61 and 252.25
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Solution
The fourth proportional to 335.12, 462.61 and 252.25 is: 348.21
Step by Step Solution
- Step 1: Write the proportion equation
335.12 : 462.61 = 252.25 : x - Step 2: Convert to fraction form
335.12/462.61 = 252.25/x - Step 3: Cross multiply
335.12x = 462.61 × 252.25 - Step 4: Simplify right side
335.12x = 116,692.53 - Step 5: Solve for x
x = 116,692.53/335.12 - Step 6: Final answer
x = 348.21
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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.