Finding the Fourth Proportional to 46.08, 68.99 and 30.69
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Solution
The fourth proportional to 46.08, 68.99 and 30.69 is: 45.95
Step by Step Solution
- Step 1: Write the proportion equation
46.08 : 68.99 = 30.69 : x - Step 2: Convert to fraction form
46.08/68.99 = 30.69/x - Step 3: Cross multiply
46.08x = 68.99 × 30.69 - Step 4: Simplify right side
46.08x = 2,117.15 - Step 5: Solve for x
x = 2,117.15/46.08 - Step 6: Final answer
x = 45.95
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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.