Finding the Fourth Proportional to 652.84, 979.02 and 379
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Solution
The fourth proportional to 652.84, 979.02 and 379 is: 568.36
Step by Step Solution
- Step 1: Write the proportion equation
652.84 : 979.02 = 379 : x - Step 2: Convert to fraction form
652.84/979.02 = 379/x - Step 3: Cross multiply
652.84x = 979.02 × 379 - Step 4: Simplify right side
652.84x = 371,048.58 - Step 5: Solve for x
x = 371,048.58/652.84 - Step 6: Final answer
x = 568.36
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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.