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Finding the Fourth Proportional to 890.19, 1,332.03 and 600.75

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Solution

The fourth proportional to 890.19, 1,332.03 and 600.75 is: 898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    890.19 : 1,332.03 = 600.75 : x
  2. Step 2: Convert to fraction form
    890.19/1,332.03 = 600.75/x
  3. Step 3: Cross multiply
    890.19x = 1,332.03 × 600.75
  4. Step 4: Simplify right side
    890.19x = 800,217.02
  5. Step 5: Solve for x
    x = 800,217.02/890.19
  6. Step 6: Final answer
    x = 898.93

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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.