Finding the Fourth Proportional to 363.98, 502.40 and 232.99
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Solution
The fourth proportional to 363.98, 502.40 and 232.99 is: 321.60
Step by Step Solution
- Step 1: Write the proportion equation
363.98 : 502.40 = 232.99 : x - Step 2: Convert to fraction form
363.98/502.40 = 232.99/x - Step 3: Cross multiply
363.98x = 502.40 × 232.99 - Step 4: Simplify right side
363.98x = 117,054.18 - Step 5: Solve for x
x = 117,054.18/363.98 - Step 6: Final answer
x = 321.60
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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.