Finding the Fourth Proportional to 474.24, 654.36 and 343.44
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Solution
The fourth proportional to 474.24, 654.36 and 343.44 is: 473.88
Step by Step Solution
- Step 1: Write the proportion equation
474.24 : 654.36 = 343.44 : x - Step 2: Convert to fraction form
474.24/654.36 = 343.44/x - Step 3: Cross multiply
474.24x = 654.36 × 343.44 - Step 4: Simplify right side
474.24x = 224,733.40 - Step 5: Solve for x
x = 224,733.40/474.24 - Step 6: Final answer
x = 473.88
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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.