Finding the Fourth Proportional to 284.93, 427.77 and 239.84
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Solution
The fourth proportional to 284.93, 427.77 and 239.84 is: 360.08
Step by Step Solution
- Step 1: Write the proportion equation
284.93 : 427.77 = 239.84 : x - Step 2: Convert to fraction form
284.93/427.77 = 239.84/x - Step 3: Cross multiply
284.93x = 427.77 × 239.84 - Step 4: Simplify right side
284.93x = 102,596.36 - Step 5: Solve for x
x = 102,596.36/284.93 - Step 6: Final answer
x = 360.08
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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.