Finding the Fourth Proportional to 63.36, 94.88 and 39.26
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Solution
The fourth proportional to 63.36, 94.88 and 39.26 is: 58.79
Step by Step Solution
- Step 1: Write the proportion equation
63.36 : 94.88 = 39.26 : x - Step 2: Convert to fraction form
63.36/94.88 = 39.26/x - Step 3: Cross multiply
63.36x = 94.88 × 39.26 - Step 4: Simplify right side
63.36x = 3,724.99 - Step 5: Solve for x
x = 3,724.99/63.36 - Step 6: Final answer
x = 58.79
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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.