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Finding the Fourth Proportional to 889.00, 1,333.61 and 304.11

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Solution

The fourth proportional to 889.00, 1,333.61 and 304.11 is: 456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889.00 : 1,333.61 = 304.11 : x
  2. Step 2: Convert to fraction form
    889.00/1,333.61 = 304.11/x
  3. Step 3: Cross multiply
    889.00x = 1,333.61 × 304.11
  4. Step 4: Simplify right side
    889.00x = 405,564.90
  5. Step 5: Solve for x
    x = 405,564.90/889.00
  6. Step 6: Final answer
    x = 456.20

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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.