Finding the Fourth Proportional to 103.52, 154.24 and 97.31
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Solution
The fourth proportional to 103.52, 154.24 and 97.31 is: 144.99
Step by Step Solution
- Step 1: Write the proportion equation
103.52 : 154.24 = 97.31 : x - Step 2: Convert to fraction form
103.52/154.24 = 97.31/x - Step 3: Cross multiply
103.52x = 154.24 × 97.31 - Step 4: Simplify right side
103.52x = 15,009.24 - Step 5: Solve for x
x = 15,009.24/103.52 - Step 6: Final answer
x = 144.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.