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Finding the Fourth Proportional to 558.28, 837.45 and 250.16

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Solution

The fourth proportional to 558.28, 837.45 and 250.16 is: 375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.28 : 837.45 = 250.16 : x
  2. Step 2: Convert to fraction form
    558.28/837.45 = 250.16/x
  3. Step 3: Cross multiply
    558.28x = 837.45 × 250.16
  4. Step 4: Simplify right side
    558.28x = 209,492.30
  5. Step 5: Solve for x
    x = 209,492.30/558.28
  6. Step 6: Final answer
    x = 375.25

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