Finding the Fourth Proportional to 189.08, 283.01 and 97.65
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Solution
The fourth proportional to 189.08, 283.01 and 97.65 is: 146.16
Step by Step Solution
- Step 1: Write the proportion equation
189.08 : 283.01 = 97.65 : x - Step 2: Convert to fraction form
189.08/283.01 = 97.65/x - Step 3: Cross multiply
189.08x = 283.01 × 97.65 - Step 4: Simplify right side
189.08x = 27,635.44 - Step 5: Solve for x
x = 27,635.44/189.08 - Step 6: Final answer
x = 146.16
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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.