Finding the Fourth Proportional to 53.84, 80.94 and 35.84
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Solution
The fourth proportional to 53.84, 80.94 and 35.84 is: 53.88
Step by Step Solution
- Step 1: Write the proportion equation
53.84 : 80.94 = 35.84 : x - Step 2: Convert to fraction form
53.84/80.94 = 35.84/x - Step 3: Cross multiply
53.84x = 80.94 × 35.84 - Step 4: Simplify right side
53.84x = 2,900.89 - Step 5: Solve for x
x = 2,900.89/53.84 - Step 6: Final answer
x = 53.88
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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.