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Finding the Fourth Proportional to 604.48, 911.80 and 585.04

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Solution

The fourth proportional to 604.48, 911.80 and 585.04 is: 882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.48 : 911.80 = 585.04 : x
  2. Step 2: Convert to fraction form
    604.48/911.80 = 585.04/x
  3. Step 3: Cross multiply
    604.48x = 911.80 × 585.04
  4. Step 4: Simplify right side
    604.48x = 533,439.47
  5. Step 5: Solve for x
    x = 533,439.47/604.48
  6. Step 6: Final answer
    x = 882.48

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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.