Finding the Fourth Proportional to 46.05, 69.50 and 46.05
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Solution
The fourth proportional to 46.05, 69.50 and 46.05 is: 69.50
Step by Step Solution
- Step 1: Write the proportion equation
46.05 : 69.50 = 46.05 : x - Step 2: Convert to fraction form
46.05/69.50 = 46.05/x - Step 3: Cross multiply
46.05x = 69.50 × 46.05 - Step 4: Simplify right side
46.05x = 3,200.24 - Step 5: Solve for x
x = 3,200.24/46.05 - Step 6: Final answer
x = 69.50
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.