Finding the Fourth Proportional to 267.18, 368.63 and 149.14
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Solution
The fourth proportional to 267.18, 368.63 and 149.14 is: 205.76
Step by Step Solution
- Step 1: Write the proportion equation
267.18 : 368.63 = 149.14 : x - Step 2: Convert to fraction form
267.18/368.63 = 149.14/x - Step 3: Cross multiply
267.18x = 368.63 × 149.14 - Step 4: Simplify right side
267.18x = 54,976.44 - Step 5: Solve for x
x = 54,976.44/267.18 - Step 6: Final answer
x = 205.76
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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.