Finding the Fourth Proportional to 265.87, 397.99 and 245.62
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Solution
The fourth proportional to 265.87, 397.99 and 245.62 is: 367.68
Step by Step Solution
- Step 1: Write the proportion equation
265.87 : 397.99 = 245.62 : x - Step 2: Convert to fraction form
265.87/397.99 = 245.62/x - Step 3: Cross multiply
265.87x = 397.99 × 245.62 - Step 4: Simplify right side
265.87x = 97,754.30 - Step 5: Solve for x
x = 97,754.30/265.87 - Step 6: Final answer
x = 367.68
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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.