Finding the Fourth Proportional to 335.13, 502.76 and 142.75
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Solution
The fourth proportional to 335.13, 502.76 and 142.75 is: 214.15
Step by Step Solution
- Step 1: Write the proportion equation
335.13 : 502.76 = 142.75 : x - Step 2: Convert to fraction form
335.13/502.76 = 142.75/x - Step 3: Cross multiply
335.13x = 502.76 × 142.75 - Step 4: Simplify right side
335.13x = 71,768.99 - Step 5: Solve for x
x = 71,768.99/335.13 - Step 6: Final answer
x = 214.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.