Finding the Fourth Proportional to 42.14, 63.06 and 33.08
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Solution
The fourth proportional to 42.14, 63.06 and 33.08 is: 49.50
Step by Step Solution
- Step 1: Write the proportion equation
42.14 : 63.06 = 33.08 : x - Step 2: Convert to fraction form
42.14/63.06 = 33.08/x - Step 3: Cross multiply
42.14x = 63.06 × 33.08 - Step 4: Simplify right side
42.14x = 2,086.02 - Step 5: Solve for x
x = 2,086.02/42.14 - Step 6: Final answer
x = 49.50
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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.