Finding the Fourth Proportional to 362.23, 499.36 and 243.99
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Solution
The fourth proportional to 362.23, 499.36 and 243.99 is: 336.36
Step by Step Solution
- Step 1: Write the proportion equation
362.23 : 499.36 = 243.99 : x - Step 2: Convert to fraction form
362.23/499.36 = 243.99/x - Step 3: Cross multiply
362.23x = 499.36 × 243.99 - Step 4: Simplify right side
362.23x = 121,837.63 - Step 5: Solve for x
x = 121,837.63/362.23 - Step 6: Final answer
x = 336.36
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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.