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Finding the Fourth Proportional to 1,968.02, 2,952.03 and 507.29

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Solution

The fourth proportional to 1,968.02, 2,952.03 and 507.29 is: 760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.02 : 2,952.03 = 507.29 : x
  2. Step 2: Convert to fraction form
    1,968.02/2,952.03 = 507.29/x
  3. Step 3: Cross multiply
    1,968.02x = 2,952.03 × 507.29
  4. Step 4: Simplify right side
    1,968.02x = 1,497,535.30
  5. Step 5: Solve for x
    x = 1,497,535.30/1,968.02
  6. Step 6: Final answer
    x = 760.94

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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.