Finding the Fourth Proportional to 89.34, 133.99 and 37.97
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Solution
The fourth proportional to 89.34, 133.99 and 37.97 is: 56.95
Step by Step Solution
- Step 1: Write the proportion equation
89.34 : 133.99 = 37.97 : x - Step 2: Convert to fraction form
89.34/133.99 = 37.97/x - Step 3: Cross multiply
89.34x = 133.99 × 37.97 - Step 4: Simplify right side
89.34x = 5,087.34 - Step 5: Solve for x
x = 5,087.34/89.34 - Step 6: Final answer
x = 56.95
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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.