Finding the Fourth Proportional to 317.03, 437.51 and 177.14
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Solution
The fourth proportional to 317.03, 437.51 and 177.14 is: 244.47
Step by Step Solution
- Step 1: Write the proportion equation
317.03 : 437.51 = 177.14 : x - Step 2: Convert to fraction form
317.03/437.51 = 177.14/x - Step 3: Cross multiply
317.03x = 437.51 × 177.14 - Step 4: Simplify right side
317.03x = 77,503.21 - Step 5: Solve for x
x = 77,503.21/317.03 - Step 6: Final answer
x = 244.47
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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.