Finding the Fourth Proportional to 317.08, 437.68 and 192.70
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Solution
The fourth proportional to 317.08, 437.68 and 192.70 is: 265.99
Step by Step Solution
- Step 1: Write the proportion equation
317.08 : 437.68 = 192.70 : x - Step 2: Convert to fraction form
317.08/437.68 = 192.70/x - Step 3: Cross multiply
317.08x = 437.68 × 192.70 - Step 4: Simplify right side
317.08x = 84,340.94 - Step 5: Solve for x
x = 84,340.94/317.08 - Step 6: Final answer
x = 265.99
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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.