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Finding the Fourth Proportional to 633.04, 949 and 248

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Solution

The fourth proportional to 633.04, 949 and 248 is: 371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.04 : 949 = 248 : x
  2. Step 2: Convert to fraction form
    633.04/949 = 248/x
  3. Step 3: Cross multiply
    633.04x = 949 × 248
  4. Step 4: Simplify right side
    633.04x = 235,352
  5. Step 5: Solve for x
    x = 235,352/633.04
  6. Step 6: Final answer
    x = 371.78

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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.