Finding the Fourth Proportional to 267.76, 401.44 and 130.68
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Solution
The fourth proportional to 267.76, 401.44 and 130.68 is: 195.92
Step by Step Solution
- Step 1: Write the proportion equation
267.76 : 401.44 = 130.68 : x - Step 2: Convert to fraction form
267.76/401.44 = 130.68/x - Step 3: Cross multiply
267.76x = 401.44 × 130.68 - Step 4: Simplify right side
267.76x = 52,460.18 - Step 5: Solve for x
x = 52,460.18/267.76 - Step 6: Final answer
x = 195.92
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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.