Finding the Fourth Proportional to 93.62, 140.44 and 44.88
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Solution
The fourth proportional to 93.62, 140.44 and 44.88 is: 67.32
Step by Step Solution
- Step 1: Write the proportion equation
93.62 : 140.44 = 44.88 : x - Step 2: Convert to fraction form
93.62/140.44 = 44.88/x - Step 3: Cross multiply
93.62x = 140.44 × 44.88 - Step 4: Simplify right side
93.62x = 6,302.78 - Step 5: Solve for x
x = 6,302.78/93.62 - Step 6: Final answer
x = 67.32
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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.