Finding the Fourth Proportional to 444.79, 665.70 and 403.23
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Solution
The fourth proportional to 444.79, 665.70 and 403.23 is: 603.50
Step by Step Solution
- Step 1: Write the proportion equation
444.79 : 665.70 = 403.23 : x - Step 2: Convert to fraction form
444.79/665.70 = 403.23/x - Step 3: Cross multiply
444.79x = 665.70 × 403.23 - Step 4: Simplify right side
444.79x = 268,430.21 - Step 5: Solve for x
x = 268,430.21/444.79 - Step 6: Final answer
x = 603.50
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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.