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Finding the Fourth Proportional to 156.03, 233.49 and 107.29

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Solution

The fourth proportional to 156.03, 233.49 and 107.29 is: 160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.03 : 233.49 = 107.29 : x
  2. Step 2: Convert to fraction form
    156.03/233.49 = 107.29/x
  3. Step 3: Cross multiply
    156.03x = 233.49 × 107.29
  4. Step 4: Simplify right side
    156.03x = 25,051.14
  5. Step 5: Solve for x
    x = 25,051.14/156.03
  6. Step 6: Final answer
    x = 160.55

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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.