Finding the Fourth Proportional to 511, 766.49 and 202.99
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Solution
The fourth proportional to 511, 766.49 and 202.99 is: 304.48
Step by Step Solution
- Step 1: Write the proportion equation
511 : 766.49 = 202.99 : x - Step 2: Convert to fraction form
511/766.49 = 202.99/x - Step 3: Cross multiply
511x = 766.49 × 202.99 - Step 4: Simplify right side
511x = 155,589.81 - Step 5: Solve for x
x = 155,589.81/511 - Step 6: Final answer
x = 304.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.