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Finding the Fourth Proportional to 888.49, 1,337.53 and 799.19

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Solution

The fourth proportional to 888.49, 1,337.53 and 799.19 is: 1,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.49 : 1,337.53 = 799.19 : x
  2. Step 2: Convert to fraction form
    888.49/1,337.53 = 799.19/x
  3. Step 3: Cross multiply
    888.49x = 1,337.53 × 799.19
  4. Step 4: Simplify right side
    888.49x = 1,068,940.60
  5. Step 5: Solve for x
    x = 1,068,940.60/888.49
  6. Step 6: Final answer
    x = 1,203.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.