Finding the Fourth Proportional to 632.80, 946.77 and 471.21
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Solution
The fourth proportional to 632.80, 946.77 and 471.21 is: 705.01
Step by Step Solution
- Step 1: Write the proportion equation
632.80 : 946.77 = 471.21 : x - Step 2: Convert to fraction form
632.80/946.77 = 471.21/x - Step 3: Cross multiply
632.80x = 946.77 × 471.21 - Step 4: Simplify right side
632.80x = 446,127.49 - Step 5: Solve for x
x = 446,127.49/632.80 - Step 6: Final answer
x = 705.01
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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.