Finding the Fourth Proportional to 265.10, 396.99 and 173.70
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Solution
The fourth proportional to 265.10, 396.99 and 173.70 is: 260.12
Step by Step Solution
- Step 1: Write the proportion equation
265.10 : 396.99 = 173.70 : x - Step 2: Convert to fraction form
265.10/396.99 = 173.70/x - Step 3: Cross multiply
265.10x = 396.99 × 173.70 - Step 4: Simplify right side
265.10x = 68,957.16 - Step 5: Solve for x
x = 68,957.16/265.10 - Step 6: Final answer
x = 260.12
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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.