Finding the Fourth Proportional to 614, 921 and 583.24
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Solution
The fourth proportional to 614, 921 and 583.24 is: 874.86
Step by Step Solution
- Step 1: Write the proportion equation
614 : 921 = 583.24 : x - Step 2: Convert to fraction form
614/921 = 583.24/x - Step 3: Cross multiply
614x = 921 × 583.24 - Step 4: Simplify right side
614x = 537,164.04 - Step 5: Solve for x
x = 537,164.04/614 - Step 6: Final answer
x = 874.86
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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.