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Finding the Fourth Proportional to 994.02, 1,371.78 and 601.08

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Solution

The fourth proportional to 994.02, 1,371.78 and 601.08 is: 829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.02 : 1,371.78 = 601.08 : x
  2. Step 2: Convert to fraction form
    994.02/1,371.78 = 601.08/x
  3. Step 3: Cross multiply
    994.02x = 1,371.78 × 601.08
  4. Step 4: Simplify right side
    994.02x = 824,549.52
  5. Step 5: Solve for x
    x = 824,549.52/994.02
  6. Step 6: Final answer
    x = 829.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.