Finding the Fourth Proportional to 252.24, 347.88 and 163.74
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Solution
The fourth proportional to 252.24, 347.88 and 163.74 is: 225.82
Step by Step Solution
- Step 1: Write the proportion equation
252.24 : 347.88 = 163.74 : x - Step 2: Convert to fraction form
252.24/347.88 = 163.74/x - Step 3: Cross multiply
252.24x = 347.88 × 163.74 - Step 4: Simplify right side
252.24x = 56,961.87 - Step 5: Solve for x
x = 56,961.87/252.24 - Step 6: Final answer
x = 225.82
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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.