Finding the Third Proportional to 399 and 541.50
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Solution
The third proportional to 399 and 541.50 is: 734.89
Step by Step Solution
- Step 1: Write the proportion equation
399 : 541.50 = 541.50 : x - Step 2: Convert to fraction form
399/541.50 = 541.50/x - Step 3: Cross multiply
399x = 541.50 × 541.50 - Step 4: Simplify right side
399x = 293,222.25 - Step 5: Solve for x
x = 293,222.25/399 - Step 6: Final answer
x = 734.89
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.