Finding the Fourth Proportional to 33.68, 46.50 and 30.42
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Solution
The fourth proportional to 33.68, 46.50 and 30.42 is: 42.00
Step by Step Solution
- Step 1: Write the proportion equation
33.68 : 46.50 = 30.42 : x - Step 2: Convert to fraction form
33.68/46.50 = 30.42/x - Step 3: Cross multiply
33.68x = 46.50 × 30.42 - Step 4: Simplify right side
33.68x = 1,414.53 - Step 5: Solve for x
x = 1,414.53/33.68 - Step 6: Final answer
x = 42.00
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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.