Finding the Fourth Proportional to 632.61, 946.49 and 358.83
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Solution
The fourth proportional to 632.61, 946.49 and 358.83 is: 536.87
Step by Step Solution
- Step 1: Write the proportion equation
632.61 : 946.49 = 358.83 : x - Step 2: Convert to fraction form
632.61/946.49 = 358.83/x - Step 3: Cross multiply
632.61x = 946.49 × 358.83 - Step 4: Simplify right side
632.61x = 339,627.21 - Step 5: Solve for x
x = 339,627.21/632.61 - Step 6: Final answer
x = 536.87
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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.