Finding the Fourth Proportional to 529.08, 793.56 and 163.80
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Solution
The fourth proportional to 529.08, 793.56 and 163.80 is: 245.68
Step by Step Solution
- Step 1: Write the proportion equation
529.08 : 793.56 = 163.80 : x - Step 2: Convert to fraction form
529.08/793.56 = 163.80/x - Step 3: Cross multiply
529.08x = 793.56 × 163.80 - Step 4: Simplify right side
529.08x = 129,985.13 - Step 5: Solve for x
x = 129,985.13/529.08 - Step 6: Final answer
x = 245.68
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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.