Finding the Fourth Proportional to 339.26, 508.93 and 133.88
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Solution
The fourth proportional to 339.26, 508.93 and 133.88 is: 200.83
Step by Step Solution
- Step 1: Write the proportion equation
339.26 : 508.93 = 133.88 : x - Step 2: Convert to fraction form
339.26/508.93 = 133.88/x - Step 3: Cross multiply
339.26x = 508.93 × 133.88 - Step 4: Simplify right side
339.26x = 68,132.67 - Step 5: Solve for x
x = 68,132.67/339.26 - Step 6: Final answer
x = 200.83
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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.