Finding the Fourth Proportional to 67.40, 92.99 and 44.09
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Solution
The fourth proportional to 67.40, 92.99 and 44.09 is: 60.83
Step by Step Solution
- Step 1: Write the proportion equation
67.40 : 92.99 = 44.09 : x - Step 2: Convert to fraction form
67.40/92.99 = 44.09/x - Step 3: Cross multiply
67.40x = 92.99 × 44.09 - Step 4: Simplify right side
67.40x = 4,099.46 - Step 5: Solve for x
x = 4,099.46/67.40 - Step 6: Final answer
x = 60.83
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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.