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Finding the Fourth Proportional to 237.50, 356.52 and 109.28

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Solution

The fourth proportional to 237.50, 356.52 and 109.28 is: 164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.50 : 356.52 = 109.28 : x
  2. Step 2: Convert to fraction form
    237.50/356.52 = 109.28/x
  3. Step 3: Cross multiply
    237.50x = 356.52 × 109.28
  4. Step 4: Simplify right side
    237.50x = 38,960.51
  5. Step 5: Solve for x
    x = 38,960.51/237.50
  6. Step 6: Final answer
    x = 164.04

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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.