Finding the Fourth Proportional to 65.88, 98.76 and 36.99
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Solution
The fourth proportional to 65.88, 98.76 and 36.99 is: 55.45
Step by Step Solution
- Step 1: Write the proportion equation
65.88 : 98.76 = 36.99 : x - Step 2: Convert to fraction form
65.88/98.76 = 36.99/x - Step 3: Cross multiply
65.88x = 98.76 × 36.99 - Step 4: Simplify right side
65.88x = 3,653.13 - Step 5: Solve for x
x = 3,653.13/65.88 - Step 6: Final answer
x = 55.45
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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.