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Finding the Fourth Proportional to 594.90, 892.62 and 378.90

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Solution

The fourth proportional to 594.90, 892.62 and 378.90 is: 568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.90 : 892.62 = 378.90 : x
  2. Step 2: Convert to fraction form
    594.90/892.62 = 378.90/x
  3. Step 3: Cross multiply
    594.90x = 892.62 × 378.90
  4. Step 4: Simplify right side
    594.90x = 338,213.72
  5. Step 5: Solve for x
    x = 338,213.72/594.90
  6. Step 6: Final answer
    x = 568.52

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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.