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Finding the Fourth Proportional to 888.98, 1,333.47 and 736.66

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Solution

The fourth proportional to 888.98, 1,333.47 and 736.66 is: 1,104.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.98 : 1,333.47 = 736.66 : x
  2. Step 2: Convert to fraction form
    888.98/1,333.47 = 736.66/x
  3. Step 3: Cross multiply
    888.98x = 1,333.47 × 736.66
  4. Step 4: Simplify right side
    888.98x = 982,314.01
  5. Step 5: Solve for x
    x = 982,314.01/888.98
  6. Step 6: Final answer
    x = 1,104.99

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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.