Finding the Fourth Proportional to 339.05, 508.26 and 122.58
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Solution
The fourth proportional to 339.05, 508.26 and 122.58 is: 183.75
Step by Step Solution
- Step 1: Write the proportion equation
339.05 : 508.26 = 122.58 : x - Step 2: Convert to fraction form
339.05/508.26 = 122.58/x - Step 3: Cross multiply
339.05x = 508.26 × 122.58 - Step 4: Simplify right side
339.05x = 62,301.06 - Step 5: Solve for x
x = 62,301.06/339.05 - Step 6: Final answer
x = 183.75
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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.