Finding the Fourth Proportional to 406.99, 610.93 and 163.68
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Solution
The fourth proportional to 406.99, 610.93 and 163.68 is: 245.70
Step by Step Solution
- Step 1: Write the proportion equation
406.99 : 610.93 = 163.68 : x - Step 2: Convert to fraction form
406.99/610.93 = 163.68/x - Step 3: Cross multiply
406.99x = 610.93 × 163.68 - Step 4: Simplify right side
406.99x = 99,997.02 - Step 5: Solve for x
x = 99,997.02/406.99 - Step 6: Final answer
x = 245.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.