Finding the Fourth Proportional to 511.27, 766.36 and 202.99
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Solution
The fourth proportional to 511.27, 766.36 and 202.99 is: 304.27
Step by Step Solution
- Step 1: Write the proportion equation
511.27 : 766.36 = 202.99 : x - Step 2: Convert to fraction form
511.27/766.36 = 202.99/x - Step 3: Cross multiply
511.27x = 766.36 × 202.99 - Step 4: Simplify right side
511.27x = 155,563.42 - Step 5: Solve for x
x = 155,563.42/511.27 - Step 6: Final answer
x = 304.27
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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.