Finding the Fourth Proportional to 61.37, 91.98 and 41.09
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Solution
The fourth proportional to 61.37, 91.98 and 41.09 is: 61.58
Step by Step Solution
- Step 1: Write the proportion equation
61.37 : 91.98 = 41.09 : x - Step 2: Convert to fraction form
61.37/91.98 = 41.09/x - Step 3: Cross multiply
61.37x = 91.98 × 41.09 - Step 4: Simplify right side
61.37x = 3,779.46 - Step 5: Solve for x
x = 3,779.46/61.37 - Step 6: Final answer
x = 61.58
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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.