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Finding the Fourth Proportional to 585.30, 806.07 and 572.54

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Solution

The fourth proportional to 585.30, 806.07 and 572.54 is: 788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.30 : 806.07 = 572.54 : x
  2. Step 2: Convert to fraction form
    585.30/806.07 = 572.54/x
  3. Step 3: Cross multiply
    585.30x = 806.07 × 572.54
  4. Step 4: Simplify right side
    585.30x = 461,509.33
  5. Step 5: Solve for x
    x = 461,509.33/585.30
  6. Step 6: Final answer
    x = 788.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.