Finding the Fourth Proportional to 353.97, 530.99 and 110.43
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Solution
The fourth proportional to 353.97, 530.99 and 110.43 is: 165.66
Step by Step Solution
- Step 1: Write the proportion equation
353.97 : 530.99 = 110.43 : x - Step 2: Convert to fraction form
353.97/530.99 = 110.43/x - Step 3: Cross multiply
353.97x = 530.99 × 110.43 - Step 4: Simplify right side
353.97x = 58,637.23 - Step 5: Solve for x
x = 58,637.23/353.97 - Step 6: Final answer
x = 165.66
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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.