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Finding the Fourth Proportional to 572.57, 788.69 and 441.35

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Solution

The fourth proportional to 572.57, 788.69 and 441.35 is: 607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.57 : 788.69 = 441.35 : x
  2. Step 2: Convert to fraction form
    572.57/788.69 = 441.35/x
  3. Step 3: Cross multiply
    572.57x = 788.69 × 441.35
  4. Step 4: Simplify right side
    572.57x = 348,085.97
  5. Step 5: Solve for x
    x = 348,085.97/572.57
  6. Step 6: Final answer
    x = 607.94

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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.