Finding the Fourth Proportional to 350.24, 522.52 and 318.80
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Solution
The fourth proportional to 350.24, 522.52 and 318.80 is: 475.61
Step by Step Solution
- Step 1: Write the proportion equation
350.24 : 522.52 = 318.80 : x - Step 2: Convert to fraction form
350.24/522.52 = 318.80/x - Step 3: Cross multiply
350.24x = 522.52 × 318.80 - Step 4: Simplify right side
350.24x = 166,579.38 - Step 5: Solve for x
x = 166,579.38/350.24 - Step 6: Final answer
x = 475.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.