Finding the Fourth Proportional to 458.34, 633 and 361.14
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Solution
The fourth proportional to 458.34, 633 and 361.14 is: 498.76
Step by Step Solution
- Step 1: Write the proportion equation
458.34 : 633 = 361.14 : x - Step 2: Convert to fraction form
458.34/633 = 361.14/x - Step 3: Cross multiply
458.34x = 633 × 361.14 - Step 4: Simplify right side
458.34x = 228,601.62 - Step 5: Solve for x
x = 228,601.62/458.34 - Step 6: Final answer
x = 498.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.