Finding the Fourth Proportional to 251.99, 347.36 and 205.19
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Solution
The fourth proportional to 251.99, 347.36 and 205.19 is: 282.84
Step by Step Solution
- Step 1: Write the proportion equation
251.99 : 347.36 = 205.19 : x - Step 2: Convert to fraction form
251.99/347.36 = 205.19/x - Step 3: Cross multiply
251.99x = 347.36 × 205.19 - Step 4: Simplify right side
251.99x = 71,272.04 - Step 5: Solve for x
x = 71,272.04/251.99 - Step 6: Final answer
x = 282.84
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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.