Finding the Fourth Proportional to 381.03, 525.63 and 249.99
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Solution
The fourth proportional to 381.03, 525.63 and 249.99 is: 344.86
Step by Step Solution
- Step 1: Write the proportion equation
381.03 : 525.63 = 249.99 : x - Step 2: Convert to fraction form
381.03/525.63 = 249.99/x - Step 3: Cross multiply
381.03x = 525.63 × 249.99 - Step 4: Simplify right side
381.03x = 131,402.24 - Step 5: Solve for x
x = 131,402.24/381.03 - Step 6: Final answer
x = 344.86
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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.