Finding the Fourth Proportional to 504.77, 696.62 and 283.79
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Solution
The fourth proportional to 504.77, 696.62 and 283.79 is: 391.66
Step by Step Solution
- Step 1: Write the proportion equation
504.77 : 696.62 = 283.79 : x - Step 2: Convert to fraction form
504.77/696.62 = 283.79/x - Step 3: Cross multiply
504.77x = 696.62 × 283.79 - Step 4: Simplify right side
504.77x = 197,696.24 - Step 5: Solve for x
x = 197,696.24/504.77 - Step 6: Final answer
x = 391.66
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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.