Finding the Fourth Proportional to 339.26, 508.70 and 122.76
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Solution
The fourth proportional to 339.26, 508.70 and 122.76 is: 184.07
Step by Step Solution
- Step 1: Write the proportion equation
339.26 : 508.70 = 122.76 : x - Step 2: Convert to fraction form
339.26/508.70 = 122.76/x - Step 3: Cross multiply
339.26x = 508.70 × 122.76 - Step 4: Simplify right side
339.26x = 62,448.01 - Step 5: Solve for x
x = 62,448.01/339.26 - Step 6: Final answer
x = 184.07
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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.