Finding the Fourth Proportional to 673.21, 1,010.21 and 283.19
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Solution
The fourth proportional to 673.21, 1,010.21 and 283.19 is: 424.95
Step by Step Solution
- Step 1: Write the proportion equation
673.21 : 1,010.21 = 283.19 : x - Step 2: Convert to fraction form
673.21/1,010.21 = 283.19/x - Step 3: Cross multiply
673.21x = 1,010.21 × 283.19 - Step 4: Simplify right side
673.21x = 286,080.13 - Step 5: Solve for x
x = 286,080.13/673.21 - Step 6: Final answer
x = 424.95
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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.