Finding the Fourth Proportional to 160.10, 238 and 155.24
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Solution
The fourth proportional to 160.10, 238 and 155.24 is: 230.78
Step by Step Solution
- Step 1: Write the proportion equation
160.10 : 238 = 155.24 : x - Step 2: Convert to fraction form
160.10/238 = 155.24/x - Step 3: Cross multiply
160.10x = 238 × 155.24 - Step 4: Simplify right side
160.10x = 36,947.12 - Step 5: Solve for x
x = 36,947.12/160.10 - Step 6: Final answer
x = 230.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.