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Finding the Fourth Proportional to 573.44, 860.51 and 265.33

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Solution

The fourth proportional to 573.44, 860.51 and 265.33 is: 398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.44 : 860.51 = 265.33 : x
  2. Step 2: Convert to fraction form
    573.44/860.51 = 265.33/x
  3. Step 3: Cross multiply
    573.44x = 860.51 × 265.33
  4. Step 4: Simplify right side
    573.44x = 228,319.12
  5. Step 5: Solve for x
    x = 228,319.12/573.44
  6. Step 6: Final answer
    x = 398.16

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Double scale
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Similar ratio
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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.