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Finding the Fourth Proportional to 1,368.33, 2,052.29 and 502.44

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Solution

The fourth proportional to 1,368.33, 2,052.29 and 502.44 is: 753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.33 : 2,052.29 = 502.44 : x
  2. Step 2: Convert to fraction form
    1,368.33/2,052.29 = 502.44/x
  3. Step 3: Cross multiply
    1,368.33x = 2,052.29 × 502.44
  4. Step 4: Simplify right side
    1,368.33x = 1,031,150.08
  5. Step 5: Solve for x
    x = 1,031,150.08/1,368.33
  6. Step 6: Final answer
    x = 753.58

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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.