Finding the Fourth Proportional to 68.36, 102.52 and 44.44
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Solution
The fourth proportional to 68.36, 102.52 and 44.44 is: 66.65
Step by Step Solution
- Step 1: Write the proportion equation
68.36 : 102.52 = 44.44 : x - Step 2: Convert to fraction form
68.36/102.52 = 44.44/x - Step 3: Cross multiply
68.36x = 102.52 × 44.44 - Step 4: Simplify right side
68.36x = 4,555.99 - Step 5: Solve for x
x = 4,555.99/68.36 - Step 6: Final answer
x = 66.65
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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.