Finding the Fourth Proportional to 174.94, 262.42 and 164.38
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Solution
The fourth proportional to 174.94, 262.42 and 164.38 is: 246.58
Step by Step Solution
- Step 1: Write the proportion equation
174.94 : 262.42 = 164.38 : x - Step 2: Convert to fraction form
174.94/262.42 = 164.38/x - Step 3: Cross multiply
174.94x = 262.42 × 164.38 - Step 4: Simplify right side
174.94x = 43,136.60 - Step 5: Solve for x
x = 43,136.60/174.94 - Step 6: Final answer
x = 246.58
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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.