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Finding the Fourth Proportional to 1,012.09, 1,518.62 and 602.04

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Solution

The fourth proportional to 1,012.09, 1,518.62 and 602.04 is: 903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012.09 : 1,518.62 = 602.04 : x
  2. Step 2: Convert to fraction form
    1,012.09/1,518.62 = 602.04/x
  3. Step 3: Cross multiply
    1,012.09x = 1,518.62 × 602.04
  4. Step 4: Simplify right side
    1,012.09x = 914,259.38
  5. Step 5: Solve for x
    x = 914,259.38/1,012.09
  6. Step 6: Final answer
    x = 903.34

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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.