Finding the Fourth Proportional to 963.99, 1,446 and 524.16
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Solution
The fourth proportional to 963.99, 1,446 and 524.16 is: 786.25
Step by Step Solution
- Step 1: Write the proportion equation
963.99 : 1,446 = 524.16 : x - Step 2: Convert to fraction form
963.99/1,446 = 524.16/x - Step 3: Cross multiply
963.99x = 1,446 × 524.16 - Step 4: Simplify right side
963.99x = 757,935.36 - Step 5: Solve for x
x = 757,935.36/963.99 - Step 6: Final answer
x = 786.25
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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.