Finding the Fourth Proportional to 471.30, 707.04 and 163.08
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Solution
The fourth proportional to 471.30, 707.04 and 163.08 is: 244.65
Step by Step Solution
- Step 1: Write the proportion equation
471.30 : 707.04 = 163.08 : x - Step 2: Convert to fraction form
471.30/707.04 = 163.08/x - Step 3: Cross multiply
471.30x = 707.04 × 163.08 - Step 4: Simplify right side
471.30x = 115,304.08 - Step 5: Solve for x
x = 115,304.08/471.30 - Step 6: Final answer
x = 244.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.