Finding the Fourth Proportional to 467.67, 645.87 and 363.99
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Solution
The fourth proportional to 467.67, 645.87 and 363.99 is: 502.68
Step by Step Solution
- Step 1: Write the proportion equation
467.67 : 645.87 = 363.99 : x - Step 2: Convert to fraction form
467.67/645.87 = 363.99/x - Step 3: Cross multiply
467.67x = 645.87 × 363.99 - Step 4: Simplify right side
467.67x = 235,090.22 - Step 5: Solve for x
x = 235,090.22/467.67 - Step 6: Final answer
x = 502.68
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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.