Finding the Fourth Proportional to 418.56, 627.84 and 110.41
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Solution
The fourth proportional to 418.56, 627.84 and 110.41 is: 165.61
Step by Step Solution
- Step 1: Write the proportion equation
418.56 : 627.84 = 110.41 : x - Step 2: Convert to fraction form
418.56/627.84 = 110.41/x - Step 3: Cross multiply
418.56x = 627.84 × 110.41 - Step 4: Simplify right side
418.56x = 69,318.24 - Step 5: Solve for x
x = 69,318.24/418.56 - Step 6: Final answer
x = 165.61
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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.