Finding the Fourth Proportional to 67.67, 93.33 and 46.94
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Solution
The fourth proportional to 67.67, 93.33 and 46.94 is: 64.74
Step by Step Solution
- Step 1: Write the proportion equation
67.67 : 93.33 = 46.94 : x - Step 2: Convert to fraction form
67.67/93.33 = 46.94/x - Step 3: Cross multiply
67.67x = 93.33 × 46.94 - Step 4: Simplify right side
67.67x = 4,380.91 - Step 5: Solve for x
x = 4,380.91/67.67 - Step 6: Final answer
x = 64.74
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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.