Finding the Fourth Proportional to 252.04, 347.65 and 163.63
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Solution
The fourth proportional to 252.04, 347.65 and 163.63 is: 225.70
Step by Step Solution
- Step 1: Write the proportion equation
252.04 : 347.65 = 163.63 : x - Step 2: Convert to fraction form
252.04/347.65 = 163.63/x - Step 3: Cross multiply
252.04x = 347.65 × 163.63 - Step 4: Simplify right side
252.04x = 56,885.97 - Step 5: Solve for x
x = 56,885.97/252.04 - Step 6: Final answer
x = 225.70
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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.