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Finding the Fourth Proportional to 525.89, 788.23 and 294.13

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Solution

The fourth proportional to 525.89, 788.23 and 294.13 is: 440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.89 : 788.23 = 294.13 : x
  2. Step 2: Convert to fraction form
    525.89/788.23 = 294.13/x
  3. Step 3: Cross multiply
    525.89x = 788.23 × 294.13
  4. Step 4: Simplify right side
    525.89x = 231,843.44
  5. Step 5: Solve for x
    x = 231,843.44/525.89
  6. Step 6: Final answer
    x = 440.86

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Double scale
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Similar ratio
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1.5x scale

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.