Finding the Fourth Proportional to 267.75, 400.95 and 243.09
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Solution
The fourth proportional to 267.75, 400.95 and 243.09 is: 364.02
Step by Step Solution
- Step 1: Write the proportion equation
267.75 : 400.95 = 243.09 : x - Step 2: Convert to fraction form
267.75/400.95 = 243.09/x - Step 3: Cross multiply
267.75x = 400.95 × 243.09 - Step 4: Simplify right side
267.75x = 97,466.94 - Step 5: Solve for x
x = 97,466.94/267.75 - Step 6: Final answer
x = 364.02
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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.