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Finding the Fourth Proportional to 555.26, 825.86 and 544.32

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Solution

The fourth proportional to 555.26, 825.86 and 544.32 is: 809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.26 : 825.86 = 544.32 : x
  2. Step 2: Convert to fraction form
    555.26/825.86 = 544.32/x
  3. Step 3: Cross multiply
    555.26x = 825.86 × 544.32
  4. Step 4: Simplify right side
    555.26x = 449,533.48
  5. Step 5: Solve for x
    x = 449,533.48/555.26
  6. Step 6: Final answer
    x = 809.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.