Finding the Fourth Proportional to 36.24, 50.00 and 30.08
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Solution
The fourth proportional to 36.24, 50.00 and 30.08 is: 41.49
Step by Step Solution
- Step 1: Write the proportion equation
36.24 : 50.00 = 30.08 : x - Step 2: Convert to fraction form
36.24/50.00 = 30.08/x - Step 3: Cross multiply
36.24x = 50.00 × 30.08 - Step 4: Simplify right side
36.24x = 1,503.60 - Step 5: Solve for x
x = 1,503.60/36.24 - Step 6: Final answer
x = 41.49
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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.