Finding the Fourth Proportional to 344.12, 474.69 and 204.21
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Solution
The fourth proportional to 344.12, 474.69 and 204.21 is: 281.70
Step by Step Solution
- Step 1: Write the proportion equation
344.12 : 474.69 = 204.21 : x - Step 2: Convert to fraction form
344.12/474.69 = 204.21/x - Step 3: Cross multiply
344.12x = 474.69 × 204.21 - Step 4: Simplify right side
344.12x = 96,936.44 - Step 5: Solve for x
x = 96,936.44/344.12 - Step 6: Final answer
x = 281.70
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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.