Finding the Fourth Proportional to 98.08, 146.91 and 63.79
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Solution
The fourth proportional to 98.08, 146.91 and 63.79 is: 95.55
Step by Step Solution
- Step 1: Write the proportion equation
98.08 : 146.91 = 63.79 : x - Step 2: Convert to fraction form
98.08/146.91 = 63.79/x - Step 3: Cross multiply
98.08x = 146.91 × 63.79 - Step 4: Simplify right side
98.08x = 9,371.26 - Step 5: Solve for x
x = 9,371.26/98.08 - Step 6: Final answer
x = 95.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.