Finding the Fourth Proportional to 363.69, 544.53 and 189.99
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Solution
The fourth proportional to 363.69, 544.53 and 189.99 is: 284.46
Step by Step Solution
- Step 1: Write the proportion equation
363.69 : 544.53 = 189.99 : x - Step 2: Convert to fraction form
363.69/544.53 = 189.99/x - Step 3: Cross multiply
363.69x = 544.53 × 189.99 - Step 4: Simplify right side
363.69x = 103,455.25 - Step 5: Solve for x
x = 103,455.25/363.69 - Step 6: Final answer
x = 284.46
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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.