Finding the Fourth Proportional to 207.24, 285.99 and 163.50
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Solution
The fourth proportional to 207.24, 285.99 and 163.50 is: 225.63
Step by Step Solution
- Step 1: Write the proportion equation
207.24 : 285.99 = 163.50 : x - Step 2: Convert to fraction form
207.24/285.99 = 163.50/x - Step 3: Cross multiply
207.24x = 285.99 × 163.50 - Step 4: Simplify right side
207.24x = 46,759.37 - Step 5: Solve for x
x = 46,759.37/207.24 - Step 6: Final answer
x = 225.63
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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.