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Finding the Fourth Proportional to 237.08, 355.74 and 150.40

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Solution

The fourth proportional to 237.08, 355.74 and 150.40 is: 225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.08 : 355.74 = 150.40 : x
  2. Step 2: Convert to fraction form
    237.08/355.74 = 150.40/x
  3. Step 3: Cross multiply
    237.08x = 355.74 × 150.40
  4. Step 4: Simplify right side
    237.08x = 53,503.30
  5. Step 5: Solve for x
    x = 53,503.30/237.08
  6. Step 6: Final answer
    x = 225.68

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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.