Finding the Fourth Proportional to 265.87, 366.99 and 203.91
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Solution
The fourth proportional to 265.87, 366.99 and 203.91 is: 281.46
Step by Step Solution
- Step 1: Write the proportion equation
265.87 : 366.99 = 203.91 : x - Step 2: Convert to fraction form
265.87/366.99 = 203.91/x - Step 3: Cross multiply
265.87x = 366.99 × 203.91 - Step 4: Simplify right side
265.87x = 74,832.93 - Step 5: Solve for x
x = 74,832.93/265.87 - Step 6: Final answer
x = 281.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.