Finding the Fourth Proportional to 189.52, 284.18 and 97.99
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Solution
The fourth proportional to 189.52, 284.18 and 97.99 is: 146.94
Step by Step Solution
- Step 1: Write the proportion equation
189.52 : 284.18 = 97.99 : x - Step 2: Convert to fraction form
189.52/284.18 = 97.99/x - Step 3: Cross multiply
189.52x = 284.18 × 97.99 - Step 4: Simplify right side
189.52x = 27,848.02 - Step 5: Solve for x
x = 27,848.02/189.52 - Step 6: Final answer
x = 146.94
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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.