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Finding the Fourth Proportional to 573.98, 860.99 and 141.14

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Solution

The fourth proportional to 573.98, 860.99 and 141.14 is: 211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.98 : 860.99 = 141.14 : x
  2. Step 2: Convert to fraction form
    573.98/860.99 = 141.14/x
  3. Step 3: Cross multiply
    573.98x = 860.99 × 141.14
  4. Step 4: Simplify right side
    573.98x = 121,521.58
  5. Step 5: Solve for x
    x = 121,521.58/573.98
  6. Step 6: Final answer
    x = 211.72

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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.