Finding the Fourth Proportional to 556.23, 767.70 and 335.19
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Solution
The fourth proportional to 556.23, 767.70 and 335.19 is: 462.62
Step by Step Solution
- Step 1: Write the proportion equation
556.23 : 767.70 = 335.19 : x - Step 2: Convert to fraction form
556.23/767.70 = 335.19/x - Step 3: Cross multiply
556.23x = 767.70 × 335.19 - Step 4: Simplify right side
556.23x = 257,325.36 - Step 5: Solve for x
x = 257,325.36/556.23 - Step 6: Final answer
x = 462.62
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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.