Finding the Fourth Proportional to 901.26, 1,351.62 and 324
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Solution
The fourth proportional to 901.26, 1,351.62 and 324 is: 485.90
Step by Step Solution
- Step 1: Write the proportion equation
901.26 : 1,351.62 = 324 : x - Step 2: Convert to fraction form
901.26/1,351.62 = 324/x - Step 3: Cross multiply
901.26x = 1,351.62 × 324 - Step 4: Simplify right side
901.26x = 437,924.88 - Step 5: Solve for x
x = 437,924.88/901.26 - Step 6: Final answer
x = 485.90
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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.