Finding the Fourth Proportional to 347.99, 521.99 and 104.49
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Solution
The fourth proportional to 347.99, 521.99 and 104.49 is: 156.74
Step by Step Solution
- Step 1: Write the proportion equation
347.99 : 521.99 = 104.49 : x - Step 2: Convert to fraction form
347.99/521.99 = 104.49/x - Step 3: Cross multiply
347.99x = 521.99 × 104.49 - Step 4: Simplify right side
347.99x = 54,542.21 - Step 5: Solve for x
x = 54,542.21/347.99 - Step 6: Final answer
x = 156.74
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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.