Finding the Fourth Proportional to 417.99, 626.99 and 174.52
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Solution
The fourth proportional to 417.99, 626.99 and 174.52 is: 261.78
Step by Step Solution
- Step 1: Write the proportion equation
417.99 : 626.99 = 174.52 : x - Step 2: Convert to fraction form
417.99/626.99 = 174.52/x - Step 3: Cross multiply
417.99x = 626.99 × 174.52 - Step 4: Simplify right side
417.99x = 109,422.21 - Step 5: Solve for x
x = 109,422.21/417.99 - Step 6: Final answer
x = 261.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.