Finding the Fourth Proportional to 50.00, 69 and 46.70
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Solution
The fourth proportional to 50.00, 69 and 46.70 is: 64.45
Step by Step Solution
- Step 1: Write the proportion equation
50.00 : 69 = 46.70 : x - Step 2: Convert to fraction form
50.00/69 = 46.70/x - Step 3: Cross multiply
50.00x = 69 × 46.70 - Step 4: Simplify right side
50.00x = 3,221.96 - Step 5: Solve for x
x = 3,221.96/50.00 - Step 6: Final answer
x = 64.45
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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.