Finding the Fourth Proportional to 370.87, 511.77 and 205.08
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Solution
The fourth proportional to 370.87, 511.77 and 205.08 is: 282.99
Step by Step Solution
- Step 1: Write the proportion equation
370.87 : 511.77 = 205.08 : x - Step 2: Convert to fraction form
370.87/511.77 = 205.08/x - Step 3: Cross multiply
370.87x = 511.77 × 205.08 - Step 4: Simplify right side
370.87x = 104,952.64 - Step 5: Solve for x
x = 104,952.64/370.87 - Step 6: Final answer
x = 282.99
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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.