Finding the Fourth Proportional to 456.98, 629.91 and 346.01
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Solution
The fourth proportional to 456.98, 629.91 and 346.01 is: 476.95
Step by Step Solution
- Step 1: Write the proportion equation
456.98 : 629.91 = 346.01 : x - Step 2: Convert to fraction form
456.98/629.91 = 346.01/x - Step 3: Cross multiply
456.98x = 629.91 × 346.01 - Step 4: Simplify right side
456.98x = 217,952.01 - Step 5: Solve for x
x = 217,952.01/456.98 - Step 6: Final answer
x = 476.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.