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Finding the Fourth Proportional to 575.45, 862.90 and 246.27

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Solution

The fourth proportional to 575.45, 862.90 and 246.27 is: 369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.45 : 862.90 = 246.27 : x
  2. Step 2: Convert to fraction form
    575.45/862.90 = 246.27/x
  3. Step 3: Cross multiply
    575.45x = 862.90 × 246.27
  4. Step 4: Simplify right side
    575.45x = 212,506.38
  5. Step 5: Solve for x
    x = 212,506.38/575.45
  6. Step 6: Final answer
    x = 369.29

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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.