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Finding the Fourth Proportional to 615.84, 923.36 and 250.56

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Solution

The fourth proportional to 615.84, 923.36 and 250.56 is: 375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.84 : 923.36 = 250.56 : x
  2. Step 2: Convert to fraction form
    615.84/923.36 = 250.56/x
  3. Step 3: Cross multiply
    615.84x = 923.36 × 250.56
  4. Step 4: Simplify right side
    615.84x = 231,357.08
  5. Step 5: Solve for x
    x = 231,357.08/615.84
  6. Step 6: Final answer
    x = 375.68

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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.