Finding the Fourth Proportional to 68.09, 94.44 and 64.44
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Solution
The fourth proportional to 68.09, 94.44 and 64.44 is: 89.39
Step by Step Solution
- Step 1: Write the proportion equation
68.09 : 94.44 = 64.44 : x - Step 2: Convert to fraction form
68.09/94.44 = 64.44/x - Step 3: Cross multiply
68.09x = 94.44 × 64.44 - Step 4: Simplify right side
68.09x = 6,085.96 - Step 5: Solve for x
x = 6,085.96/68.09 - Step 6: Final answer
x = 89.39
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.