Finding the Third Proportional to 264 and 389.50
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Solution
The third proportional to 264 and 389.50 is: 574.66
Step by Step Solution
- Step 1: Write the proportion equation
264 : 389.50 = 389.50 : x - Step 2: Convert to fraction form
264/389.50 = 389.50/x - Step 3: Cross multiply
264x = 389.50 × 389.50 - Step 4: Simplify right side
264x = 151,710.25 - Step 5: Solve for x
x = 151,710.25/264 - Step 6: Final answer
x = 574.66
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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.