Finding the Fourth Proportional to 710.27, 979.62 and 461.67
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Solution
The fourth proportional to 710.27, 979.62 and 461.67 is: 636.75
Step by Step Solution
- Step 1: Write the proportion equation
710.27 : 979.62 = 461.67 : x - Step 2: Convert to fraction form
710.27/979.62 = 461.67/x - Step 3: Cross multiply
710.27x = 979.62 × 461.67 - Step 4: Simplify right side
710.27x = 452,265.32 - Step 5: Solve for x
x = 452,265.32/710.27 - Step 6: Final answer
x = 636.75
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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.