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Finding the Fourth Proportional to 554.15, 759.76 and 544.28

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Solution

The fourth proportional to 554.15, 759.76 and 544.28 is: 746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.15 : 759.76 = 544.28 : x
  2. Step 2: Convert to fraction form
    554.15/759.76 = 544.28/x
  3. Step 3: Cross multiply
    554.15x = 759.76 × 544.28
  4. Step 4: Simplify right side
    554.15x = 413,522.17
  5. Step 5: Solve for x
    x = 413,522.17/554.15
  6. Step 6: Final answer
    x = 746.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.