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Finding the Fourth Proportional to 595.71, 892.74 and 378.90

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Solution

The fourth proportional to 595.71, 892.74 and 378.90 is: 567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.71 : 892.74 = 378.90 : x
  2. Step 2: Convert to fraction form
    595.71/892.74 = 378.90/x
  3. Step 3: Cross multiply
    595.71x = 892.74 × 378.90
  4. Step 4: Simplify right side
    595.71x = 338,259.19
  5. Step 5: Solve for x
    x = 338,259.19/595.71
  6. Step 6: Final answer
    x = 567.83

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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.