Finding the Fourth Proportional to 451.84, 677.88 and 163.28
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Solution
The fourth proportional to 451.84, 677.88 and 163.28 is: 244.96
Step by Step Solution
- Step 1: Write the proportion equation
451.84 : 677.88 = 163.28 : x - Step 2: Convert to fraction form
451.84/677.88 = 163.28/x - Step 3: Cross multiply
451.84x = 677.88 × 163.28 - Step 4: Simplify right side
451.84x = 110,684.25 - Step 5: Solve for x
x = 110,684.25/451.84 - Step 6: Final answer
x = 244.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.