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Finding the Fourth Proportional to 237.06, 355.26 and 100.08

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Solution

The fourth proportional to 237.06, 355.26 and 100.08 is: 149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.06 : 355.26 = 100.08 : x
  2. Step 2: Convert to fraction form
    237.06/355.26 = 100.08/x
  3. Step 3: Cross multiply
    237.06x = 355.26 × 100.08
  4. Step 4: Simplify right side
    237.06x = 35,554.42
  5. Step 5: Solve for x
    x = 35,554.42/237.06
  6. Step 6: Final answer
    x = 149.98

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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.