Finding the Fourth Proportional to 190.14, 284.58 and 155.99
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Solution
The fourth proportional to 190.14, 284.58 and 155.99 is: 233.46
Step by Step Solution
- Step 1: Write the proportion equation
190.14 : 284.58 = 155.99 : x - Step 2: Convert to fraction form
190.14/284.58 = 155.99/x - Step 3: Cross multiply
190.14x = 284.58 × 155.99 - Step 4: Simplify right side
190.14x = 44,390.21 - Step 5: Solve for x
x = 44,390.21/190.14 - Step 6: Final answer
x = 233.46
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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.