Finding the Fourth Proportional to 929.36, 1,393.91 and 235.99
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Solution
The fourth proportional to 929.36, 1,393.91 and 235.99 is: 353.95
Step by Step Solution
- Step 1: Write the proportion equation
929.36 : 1,393.91 = 235.99 : x - Step 2: Convert to fraction form
929.36/1,393.91 = 235.99/x - Step 3: Cross multiply
929.36x = 1,393.91 × 235.99 - Step 4: Simplify right side
929.36x = 328,948.82 - Step 5: Solve for x
x = 328,948.82/929.36 - Step 6: Final answer
x = 353.95
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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.