Finding the Fourth Proportional to 438.49, 605.09 and 241.99
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Solution
The fourth proportional to 438.49, 605.09 and 241.99 is: 333.93
Step by Step Solution
- Step 1: Write the proportion equation
438.49 : 605.09 = 241.99 : x - Step 2: Convert to fraction form
438.49/605.09 = 241.99/x - Step 3: Cross multiply
438.49x = 605.09 × 241.99 - Step 4: Simplify right side
438.49x = 146,421.49 - Step 5: Solve for x
x = 146,421.49/438.49 - Step 6: Final answer
x = 333.93
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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.