Finding the Fourth Proportional to 883.38, 1,218.99 and 534
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Solution
The fourth proportional to 883.38, 1,218.99 and 534 is: 736.88
Step by Step Solution
- Step 1: Write the proportion equation
883.38 : 1,218.99 = 534 : x - Step 2: Convert to fraction form
883.38/1,218.99 = 534/x - Step 3: Cross multiply
883.38x = 1,218.99 × 534 - Step 4: Simplify right side
883.38x = 650,940.66 - Step 5: Solve for x
x = 650,940.66/883.38 - Step 6: Final answer
x = 736.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.