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Finding the Fourth Proportional to 237.21, 356.12 and 160.51

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Solution

The fourth proportional to 237.21, 356.12 and 160.51 is: 240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.21 : 356.12 = 160.51 : x
  2. Step 2: Convert to fraction form
    237.21/356.12 = 160.51/x
  3. Step 3: Cross multiply
    237.21x = 356.12 × 160.51
  4. Step 4: Simplify right side
    237.21x = 57,160.02
  5. Step 5: Solve for x
    x = 57,160.02/237.21
  6. Step 6: Final answer
    x = 240.97

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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.