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Finding the Fourth Proportional to 558.56, 837.36 and 375.44

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Solution

The fourth proportional to 558.56, 837.36 and 375.44 is: 562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.56 : 837.36 = 375.44 : x
  2. Step 2: Convert to fraction form
    558.56/837.36 = 375.44/x
  3. Step 3: Cross multiply
    558.56x = 837.36 × 375.44
  4. Step 4: Simplify right side
    558.56x = 314,378.44
  5. Step 5: Solve for x
    x = 314,378.44/558.56
  6. Step 6: Final answer
    x = 562.84

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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.