Finding the Fourth Proportional to 509.68, 764.52 and 163.02
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Solution
The fourth proportional to 509.68, 764.52 and 163.02 is: 244.53
Step by Step Solution
- Step 1: Write the proportion equation
509.68 : 764.52 = 163.02 : x - Step 2: Convert to fraction form
509.68/764.52 = 163.02/x - Step 3: Cross multiply
509.68x = 764.52 × 163.02 - Step 4: Simplify right side
509.68x = 124,632.05 - Step 5: Solve for x
x = 124,632.05/509.68 - Step 6: Final answer
x = 244.53
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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.