Finding the Fourth Proportional to 396.99, 594.63 and 260.10
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Solution
The fourth proportional to 396.99, 594.63 and 260.10 is: 389.59
Step by Step Solution
- Step 1: Write the proportion equation
396.99 : 594.63 = 260.10 : x - Step 2: Convert to fraction form
396.99/594.63 = 260.10/x - Step 3: Cross multiply
396.99x = 594.63 × 260.10 - Step 4: Simplify right side
396.99x = 154,663.26 - Step 5: Solve for x
x = 154,663.26/396.99 - Step 6: Final answer
x = 389.59
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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.