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Finding the Fourth Proportional to 443.49, 612.01 and 244.32

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Solution

The fourth proportional to 443.49, 612.01 and 244.32 is: 337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.49 : 612.01 = 244.32 : x
  2. Step 2: Convert to fraction form
    443.49/612.01 = 244.32/x
  3. Step 3: Cross multiply
    443.49x = 612.01 × 244.32
  4. Step 4: Simplify right side
    443.49x = 149,526.28
  5. Step 5: Solve for x
    x = 149,526.28/443.49
  6. Step 6: Final answer
    x = 337.16

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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.