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Finding the Fourth Proportional to 506.89, 760.43 and 160.24

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Solution

The fourth proportional to 506.89, 760.43 and 160.24 is: 240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.89 : 760.43 = 160.24 : x
  2. Step 2: Convert to fraction form
    506.89/760.43 = 160.24/x
  3. Step 3: Cross multiply
    506.89x = 760.43 × 160.24
  4. Step 4: Simplify right side
    506.89x = 121,851.30
  5. Step 5: Solve for x
    x = 121,851.30/506.89
  6. Step 6: Final answer
    x = 240.39

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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.