Finding the Fourth Proportional to 34.07, 50.86 and 30.07
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Solution
The fourth proportional to 34.07, 50.86 and 30.07 is: 44.88
Step by Step Solution
- Step 1: Write the proportion equation
34.07 : 50.86 = 30.07 : x - Step 2: Convert to fraction form
34.07/50.86 = 30.07/x - Step 3: Cross multiply
34.07x = 50.86 × 30.07 - Step 4: Simplify right side
34.07x = 1,528.96 - Step 5: Solve for x
x = 1,528.96/34.07 - Step 6: Final answer
x = 44.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.