Finding the Fourth Proportional to 883.14, 1,324.14 and 517.74
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Solution
The fourth proportional to 883.14, 1,324.14 and 517.74 is: 776.28
Step by Step Solution
- Step 1: Write the proportion equation
883.14 : 1,324.14 = 517.74 : x - Step 2: Convert to fraction form
883.14/1,324.14 = 517.74/x - Step 3: Cross multiply
883.14x = 1,324.14 × 517.74 - Step 4: Simplify right side
883.14x = 685,560.24 - Step 5: Solve for x
x = 685,560.24/883.14 - Step 6: Final answer
x = 776.28
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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.