Finding the Fourth Proportional to 335.70, 503.43 and 310.99
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Solution
The fourth proportional to 335.70, 503.43 and 310.99 is: 466.38
Step by Step Solution
- Step 1: Write the proportion equation
335.70 : 503.43 = 310.99 : x - Step 2: Convert to fraction form
335.70/503.43 = 310.99/x - Step 3: Cross multiply
335.70x = 503.43 × 310.99 - Step 4: Simplify right side
335.70x = 156,561.70 - Step 5: Solve for x
x = 156,561.70/335.70 - Step 6: Final answer
x = 466.38
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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.