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Finding the Fourth Proportional to 544.54, 750.58 and 426.31

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Solution

The fourth proportional to 544.54, 750.58 and 426.31 is: 587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.54 : 750.58 = 426.31 : x
  2. Step 2: Convert to fraction form
    544.54/750.58 = 426.31/x
  3. Step 3: Cross multiply
    544.54x = 750.58 × 426.31
  4. Step 4: Simplify right side
    544.54x = 319,979.76
  5. Step 5: Solve for x
    x = 319,979.76/544.54
  6. Step 6: Final answer
    x = 587.61

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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.