Finding the Fourth Proportional to 63.22, 94.71 and 61.96
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Solution
The fourth proportional to 63.22, 94.71 and 61.96 is: 92.82
Step by Step Solution
- Step 1: Write the proportion equation
63.22 : 94.71 = 61.96 : x - Step 2: Convert to fraction form
63.22/94.71 = 61.96/x - Step 3: Cross multiply
63.22x = 94.71 × 61.96 - Step 4: Simplify right side
63.22x = 5,868.23 - Step 5: Solve for x
x = 5,868.23/63.22 - Step 6: Final answer
x = 92.82
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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.