Finding the Fourth Proportional to 150.19, 207.19 and 97.73
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Solution
The fourth proportional to 150.19, 207.19 and 97.73 is: 134.82
Step by Step Solution
- Step 1: Write the proportion equation
150.19 : 207.19 = 97.73 : x - Step 2: Convert to fraction form
150.19/207.19 = 97.73/x - Step 3: Cross multiply
150.19x = 207.19 × 97.73 - Step 4: Simplify right side
150.19x = 20,248.54 - Step 5: Solve for x
x = 20,248.54/150.19 - Step 6: Final answer
x = 134.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.