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Finding the Fourth Proportional to 237.76, 358.15 and 223.36

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Solution

The fourth proportional to 237.76, 358.15 and 223.36 is: 336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.76 : 358.15 = 223.36 : x
  2. Step 2: Convert to fraction form
    237.76/358.15 = 223.36/x
  3. Step 3: Cross multiply
    237.76x = 358.15 × 223.36
  4. Step 4: Simplify right side
    237.76x = 79,996.38
  5. Step 5: Solve for x
    x = 79,996.38/237.76
  6. Step 6: Final answer
    x = 336.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.