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Finding the Fourth Proportional to 558.48, 836.60 and 365.52

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Solution

The fourth proportional to 558.48, 836.60 and 365.52 is: 547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.48 : 836.60 = 365.52 : x
  2. Step 2: Convert to fraction form
    558.48/836.60 = 365.52/x
  3. Step 3: Cross multiply
    558.48x = 836.60 × 365.52
  4. Step 4: Simplify right side
    558.48x = 305,794.03
  5. Step 5: Solve for x
    x = 305,794.03/558.48
  6. Step 6: Final answer
    x = 547.55

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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.