Finding the Fourth Proportional to 60.93, 84.08 and 39.09
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Solution
The fourth proportional to 60.93, 84.08 and 39.09 is: 53.94
Step by Step Solution
- Step 1: Write the proportion equation
60.93 : 84.08 = 39.09 : x - Step 2: Convert to fraction form
60.93/84.08 = 39.09/x - Step 3: Cross multiply
60.93x = 84.08 × 39.09 - Step 4: Simplify right side
60.93x = 3,286.49 - Step 5: Solve for x
x = 3,286.49/60.93 - Step 6: Final answer
x = 53.94
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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.