Finding the Fourth Proportional to 417.84, 625.68 and 348.99
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Solution
The fourth proportional to 417.84, 625.68 and 348.99 is: 522.58
Step by Step Solution
- Step 1: Write the proportion equation
417.84 : 625.68 = 348.99 : x - Step 2: Convert to fraction form
417.84/625.68 = 348.99/x - Step 3: Cross multiply
417.84x = 625.68 × 348.99 - Step 4: Simplify right side
417.84x = 218,356.06 - Step 5: Solve for x
x = 218,356.06/417.84 - Step 6: Final answer
x = 522.58
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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.