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Finding the Fourth Proportional to 595.04, 892.20 and 389.36

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Solution

The fourth proportional to 595.04, 892.20 and 389.36 is: 583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.04 : 892.20 = 389.36 : x
  2. Step 2: Convert to fraction form
    595.04/892.20 = 389.36/x
  3. Step 3: Cross multiply
    595.04x = 892.20 × 389.36
  4. Step 4: Simplify right side
    595.04x = 347,386.99
  5. Step 5: Solve for x
    x = 347,386.99/595.04
  6. Step 6: Final answer
    x = 583.80

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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.