Finding the Fourth Proportional to 61.41, 92.12 and 53.33
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Solution
The fourth proportional to 61.41, 92.12 and 53.33 is: 79.99
Step by Step Solution
- Step 1: Write the proportion equation
61.41 : 92.12 = 53.33 : x - Step 2: Convert to fraction form
61.41/92.12 = 53.33/x - Step 3: Cross multiply
61.41x = 92.12 × 53.33 - Step 4: Simplify right side
61.41x = 4,912.18 - Step 5: Solve for x
x = 4,912.18/61.41 - Step 6: Final answer
x = 79.99
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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.