Finding the Fourth Proportional to 458.64, 631.08 and 444.99
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Solution
The fourth proportional to 458.64, 631.08 and 444.99 is: 612.30
Step by Step Solution
- Step 1: Write the proportion equation
458.64 : 631.08 = 444.99 : x - Step 2: Convert to fraction form
458.64/631.08 = 444.99/x - Step 3: Cross multiply
458.64x = 631.08 × 444.99 - Step 4: Simplify right side
458.64x = 280,824.29 - Step 5: Solve for x
x = 280,824.29/458.64 - Step 6: Final answer
x = 612.30
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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.