Finding the Fourth Proportional to 92.36, 138.56 and 41.00
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Solution
The fourth proportional to 92.36, 138.56 and 41.00 is: 61.50
Step by Step Solution
- Step 1: Write the proportion equation
92.36 : 138.56 = 41.00 : x - Step 2: Convert to fraction form
92.36/138.56 = 41.00/x - Step 3: Cross multiply
92.36x = 138.56 × 41.00 - Step 4: Simplify right side
92.36x = 5,680.54 - Step 5: Solve for x
x = 5,680.54/92.36 - Step 6: Final answer
x = 61.50
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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.