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Finding the Fourth Proportional to 1,967.02, 2,950.53 and 506.29

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Solution

The fourth proportional to 1,967.02, 2,950.53 and 506.29 is: 759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.02 : 2,950.53 = 506.29 : x
  2. Step 2: Convert to fraction form
    1,967.02/2,950.53 = 506.29/x
  3. Step 3: Cross multiply
    1,967.02x = 2,950.53 × 506.29
  4. Step 4: Simplify right side
    1,967.02x = 1,493,823.83
  5. Step 5: Solve for x
    x = 1,493,823.83/1,967.02
  6. Step 6: Final answer
    x = 759.44

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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.