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Finding the Fourth Proportional to 240.28, 358.80 and 197.03

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Solution

The fourth proportional to 240.28, 358.80 and 197.03 is: 294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.28 : 358.80 = 197.03 : x
  2. Step 2: Convert to fraction form
    240.28/358.80 = 197.03/x
  3. Step 3: Cross multiply
    240.28x = 358.80 × 197.03
  4. Step 4: Simplify right side
    240.28x = 70,693.38
  5. Step 5: Solve for x
    x = 70,693.38/240.28
  6. Step 6: Final answer
    x = 294.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.