Finding the Fourth Proportional to 36.84, 50.84 and 22.28
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Solution
The fourth proportional to 36.84, 50.84 and 22.28 is: 30.75
Step by Step Solution
- Step 1: Write the proportion equation
36.84 : 50.84 = 22.28 : x - Step 2: Convert to fraction form
36.84/50.84 = 22.28/x - Step 3: Cross multiply
36.84x = 50.84 × 22.28 - Step 4: Simplify right side
36.84x = 1,132.72 - Step 5: Solve for x
x = 1,132.72/36.84 - Step 6: Final answer
x = 30.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.