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Finding the Fourth Proportional to 1,332.62, 1,998.70 and 602.03

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Solution

The fourth proportional to 1,332.62, 1,998.70 and 602.03 is: 902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.62 : 1,998.70 = 602.03 : x
  2. Step 2: Convert to fraction form
    1,332.62/1,998.70 = 602.03/x
  3. Step 3: Cross multiply
    1,332.62x = 1,998.70 × 602.03
  4. Step 4: Simplify right side
    1,332.62x = 1,203,265.86
  5. Step 5: Solve for x
    x = 1,203,265.86/1,332.62
  6. Step 6: Final answer
    x = 902.94

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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.