Finding the Fourth Proportional to 150.13, 207.16 and 84.62
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Solution
The fourth proportional to 150.13, 207.16 and 84.62 is: 116.77
Step by Step Solution
- Step 1: Write the proportion equation
150.13 : 207.16 = 84.62 : x - Step 2: Convert to fraction form
150.13/207.16 = 84.62/x - Step 3: Cross multiply
150.13x = 207.16 × 84.62 - Step 4: Simplify right side
150.13x = 17,530.19 - Step 5: Solve for x
x = 17,530.19/150.13 - Step 6: Final answer
x = 116.77
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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.