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Finding the Fourth Proportional to 589.55, 887.28 and 444.06

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Solution

The fourth proportional to 589.55, 887.28 and 444.06 is: 668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.55 : 887.28 = 444.06 : x
  2. Step 2: Convert to fraction form
    589.55/887.28 = 444.06/x
  3. Step 3: Cross multiply
    589.55x = 887.28 × 444.06
  4. Step 4: Simplify right side
    589.55x = 394,005.56
  5. Step 5: Solve for x
    x = 394,005.56/589.55
  6. Step 6: Final answer
    x = 668.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.