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Finding the Fourth Proportional to 663.36, 994.02 and 594.51

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Solution

The fourth proportional to 663.36, 994.02 and 594.51 is: 890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    663.36 : 994.02 = 594.51 : x
  2. Step 2: Convert to fraction form
    663.36/994.02 = 594.51/x
  3. Step 3: Cross multiply
    663.36x = 994.02 × 594.51
  4. Step 4: Simplify right side
    663.36x = 590,954.83
  5. Step 5: Solve for x
    x = 590,954.83/663.36
  6. Step 6: Final answer
    x = 890.85

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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.