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Finding the Fourth Proportional to 902.04, 1,350.32 and 577.64

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Solution

The fourth proportional to 902.04, 1,350.32 and 577.64 is: 864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.04 : 1,350.32 = 577.64 : x
  2. Step 2: Convert to fraction form
    902.04/1,350.32 = 577.64/x
  3. Step 3: Cross multiply
    902.04x = 1,350.32 × 577.64
  4. Step 4: Simplify right side
    902.04x = 779,992.09
  5. Step 5: Solve for x
    x = 779,992.09/902.04
  6. Step 6: Final answer
    x = 864.70

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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.