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Finding the Fourth Proportional to 237.93, 356.70 and 135.07

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Solution

The fourth proportional to 237.93, 356.70 and 135.07 is: 202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.93 : 356.70 = 135.07 : x
  2. Step 2: Convert to fraction form
    237.93/356.70 = 135.07/x
  3. Step 3: Cross multiply
    237.93x = 356.70 × 135.07
  4. Step 4: Simplify right side
    237.93x = 48,179.95
  5. Step 5: Solve for x
    x = 48,179.95/237.93
  6. Step 6: Final answer
    x = 202.49

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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.