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Finding the Fourth Proportional to 554.24, 826.38 and 544.52

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Solution

The fourth proportional to 554.24, 826.38 and 544.52 is: 811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.24 : 826.38 = 544.52 : x
  2. Step 2: Convert to fraction form
    554.24/826.38 = 544.52/x
  3. Step 3: Cross multiply
    554.24x = 826.38 × 544.52
  4. Step 4: Simplify right side
    554.24x = 449,980.44
  5. Step 5: Solve for x
    x = 449,980.44/554.24
  6. Step 6: Final answer
    x = 811.89

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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.