Finding the Fourth Proportional to 418.08, 626.88 and 183.62
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Solution
The fourth proportional to 418.08, 626.88 and 183.62 is: 275.32
Step by Step Solution
- Step 1: Write the proportion equation
418.08 : 626.88 = 183.62 : x - Step 2: Convert to fraction form
418.08/626.88 = 183.62/x - Step 3: Cross multiply
418.08x = 626.88 × 183.62 - Step 4: Simplify right side
418.08x = 115,107.71 - Step 5: Solve for x
x = 115,107.71/418.08 - Step 6: Final answer
x = 275.32
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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.