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Finding the Fourth Proportional to 529.39, 793.31 and 364.69

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Solution

The fourth proportional to 529.39, 793.31 and 364.69 is: 546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.39 : 793.31 = 364.69 : x
  2. Step 2: Convert to fraction form
    529.39/793.31 = 364.69/x
  3. Step 3: Cross multiply
    529.39x = 793.31 × 364.69
  4. Step 4: Simplify right side
    529.39x = 289,308.26
  5. Step 5: Solve for x
    x = 289,308.26/529.39
  6. Step 6: Final answer
    x = 546.50

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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.