Finding the Fourth Proportional to 335.26, 499.99 and 286.82
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Solution
The fourth proportional to 335.26, 499.99 and 286.82 is: 427.75
Step by Step Solution
- Step 1: Write the proportion equation
335.26 : 499.99 = 286.82 : x - Step 2: Convert to fraction form
335.26/499.99 = 286.82/x - Step 3: Cross multiply
335.26x = 499.99 × 286.82 - Step 4: Simplify right side
335.26x = 143,407.13 - Step 5: Solve for x
x = 143,407.13/335.26 - Step 6: Final answer
x = 427.75
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.