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Finding the Fourth Proportional to 237.60, 328 and 150.28

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Solution

The fourth proportional to 237.60, 328 and 150.28 is: 207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.60 : 328 = 150.28 : x
  2. Step 2: Convert to fraction form
    237.60/328 = 150.28/x
  3. Step 3: Cross multiply
    237.60x = 328 × 150.28
  4. Step 4: Simplify right side
    237.60x = 49,291.84
  5. Step 5: Solve for x
    x = 49,291.84/237.60
  6. Step 6: Final answer
    x = 207.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.