Finding the Fourth Proportional to 98.75, 147.99 and 40.95
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Solution
The fourth proportional to 98.75, 147.99 and 40.95 is: 61.37
Step by Step Solution
- Step 1: Write the proportion equation
98.75 : 147.99 = 40.95 : x - Step 2: Convert to fraction form
98.75/147.99 = 40.95/x - Step 3: Cross multiply
98.75x = 147.99 × 40.95 - Step 4: Simplify right side
98.75x = 6,060.19 - Step 5: Solve for x
x = 6,060.19/98.75 - Step 6: Final answer
x = 61.37
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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.