Finding the Fourth Proportional to 381.41, 571.08 and 207.26
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Solution
The fourth proportional to 381.41, 571.08 and 207.26 is: 310.32
Step by Step Solution
- Step 1: Write the proportion equation
381.41 : 571.08 = 207.26 : x - Step 2: Convert to fraction form
381.41/571.08 = 207.26/x - Step 3: Cross multiply
381.41x = 571.08 × 207.26 - Step 4: Simplify right side
381.41x = 118,359.19 - Step 5: Solve for x
x = 118,359.19/381.41 - Step 6: Final answer
x = 310.32
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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.