Finding the Fourth Proportional to 46.16, 69.30 and 29.08
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Solution
The fourth proportional to 46.16, 69.30 and 29.08 is: 43.66
Step by Step Solution
- Step 1: Write the proportion equation
46.16 : 69.30 = 29.08 : x - Step 2: Convert to fraction form
46.16/69.30 = 29.08/x - Step 3: Cross multiply
46.16x = 69.30 × 29.08 - Step 4: Simplify right side
46.16x = 2,015.24 - Step 5: Solve for x
x = 2,015.24/46.16 - Step 6: Final answer
x = 43.66
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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.