Finding the Fourth Proportional to 474.99, 655.45 and 327.63
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Solution
The fourth proportional to 474.99, 655.45 and 327.63 is: 452.10
Step by Step Solution
- Step 1: Write the proportion equation
474.99 : 655.45 = 327.63 : x - Step 2: Convert to fraction form
474.99/655.45 = 327.63/x - Step 3: Cross multiply
474.99x = 655.45 × 327.63 - Step 4: Simplify right side
474.99x = 214,745.08 - Step 5: Solve for x
x = 214,745.08/474.99 - Step 6: Final answer
x = 452.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.