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Finding the Fourth Proportional to 667.04, 999.63 and 597.20

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Solution

The fourth proportional to 667.04, 999.63 and 597.20 is: 894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    667.04 : 999.63 = 597.20 : x
  2. Step 2: Convert to fraction form
    667.04/999.63 = 597.20/x
  3. Step 3: Cross multiply
    667.04x = 999.63 × 597.20
  4. Step 4: Simplify right side
    667.04x = 596,974.04
  5. Step 5: Solve for x
    x = 596,974.04/667.04
  6. Step 6: Final answer
    x = 894.97

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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.