Finding the Fourth Proportional to 448.63, 619.08 and 252.18
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Solution
The fourth proportional to 448.63, 619.08 and 252.18 is: 347.98
Step by Step Solution
- Step 1: Write the proportion equation
448.63 : 619.08 = 252.18 : x - Step 2: Convert to fraction form
448.63/619.08 = 252.18/x - Step 3: Cross multiply
448.63x = 619.08 × 252.18 - Step 4: Simplify right side
448.63x = 156,117.44 - Step 5: Solve for x
x = 156,117.44/448.63 - Step 6: Final answer
x = 347.98
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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.