Finding the Fourth Proportional to 61.24, 91.69 and 41.94
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Solution
The fourth proportional to 61.24, 91.69 and 41.94 is: 62.79
Step by Step Solution
- Step 1: Write the proportion equation
61.24 : 91.69 = 41.94 : x - Step 2: Convert to fraction form
61.24/91.69 = 41.94/x - Step 3: Cross multiply
61.24x = 91.69 × 41.94 - Step 4: Simplify right side
61.24x = 3,845.48 - Step 5: Solve for x
x = 3,845.48/61.24 - Step 6: Final answer
x = 62.79
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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.