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Finding the Fourth Proportional to 384.03, 575.08 and 247.09

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Solution

The fourth proportional to 384.03, 575.08 and 247.09 is: 370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.03 : 575.08 = 247.09 : x
  2. Step 2: Convert to fraction form
    384.03/575.08 = 247.09/x
  3. Step 3: Cross multiply
    384.03x = 575.08 × 247.09
  4. Step 4: Simplify right side
    384.03x = 142,096.52
  5. Step 5: Solve for x
    x = 142,096.52/384.03
  6. Step 6: Final answer
    x = 370.01

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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.