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Finding the Fourth Proportional to 558.52, 836.53 and 544.75

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Solution

The fourth proportional to 558.52, 836.53 and 544.75 is: 815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.52 : 836.53 = 544.75 : x
  2. Step 2: Convert to fraction form
    558.52/836.53 = 544.75/x
  3. Step 3: Cross multiply
    558.52x = 836.53 × 544.75
  4. Step 4: Simplify right side
    558.52x = 455,699.72
  5. Step 5: Solve for x
    x = 455,699.72/558.52
  6. Step 6: Final answer
    x = 815.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.