Finding the Fourth Proportional to 402.36, 603.06 and 305.88
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Solution
The fourth proportional to 402.36, 603.06 and 305.88 is: 458.46
Step by Step Solution
- Step 1: Write the proportion equation
402.36 : 603.06 = 305.88 : x - Step 2: Convert to fraction form
402.36/603.06 = 305.88/x - Step 3: Cross multiply
402.36x = 603.06 × 305.88 - Step 4: Simplify right side
402.36x = 184,463.99 - Step 5: Solve for x
x = 184,463.99/402.36 - Step 6: Final answer
x = 458.46
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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.