Finding the Fourth Proportional to 98.62, 147.80 and 44.44
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Solution
The fourth proportional to 98.62, 147.80 and 44.44 is: 66.60
Step by Step Solution
- Step 1: Write the proportion equation
98.62 : 147.80 = 44.44 : x - Step 2: Convert to fraction form
98.62/147.80 = 44.44/x - Step 3: Cross multiply
98.62x = 147.80 × 44.44 - Step 4: Simplify right side
98.62x = 6,567.97 - Step 5: Solve for x
x = 6,567.97/98.62 - Step 6: Final answer
x = 66.60
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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.