Finding the Fourth Proportional to 474.99, 655.34 and 376.44
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Solution
The fourth proportional to 474.99, 655.34 and 376.44 is: 519.37
Step by Step Solution
- Step 1: Write the proportion equation
474.99 : 655.34 = 376.44 : x - Step 2: Convert to fraction form
474.99/655.34 = 376.44/x - Step 3: Cross multiply
474.99x = 655.34 × 376.44 - Step 4: Simplify right side
474.99x = 246,694.31 - Step 5: Solve for x
x = 246,694.31/474.99 - Step 6: Final answer
x = 519.37
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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.