Finding the Fourth Proportional to 1,171.76, 1,757.50 and 306.14
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Solution
The fourth proportional to 1,171.76, 1,757.50 and 306.14 is: 459.17
Step by Step Solution
- Step 1: Write the proportion equation
1,171.76 : 1,757.50 = 306.14 : x - Step 2: Convert to fraction form
1,171.76/1,757.50 = 306.14/x - Step 3: Cross multiply
1,171.76x = 1,757.50 × 306.14 - Step 4: Simplify right side
1,171.76x = 538,031.50 - Step 5: Solve for x
x = 538,031.50/1,171.76 - Step 6: Final answer
x = 459.17
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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.