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Finding the Fourth Proportional to 1,333.54, 2,001.38 and 603.18

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Solution

The fourth proportional to 1,333.54, 2,001.38 and 603.18 is: 905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.54 : 2,001.38 = 603.18 : x
  2. Step 2: Convert to fraction form
    1,333.54/2,001.38 = 603.18/x
  3. Step 3: Cross multiply
    1,333.54x = 2,001.38 × 603.18
  4. Step 4: Simplify right side
    1,333.54x = 1,207,192.39
  5. Step 5: Solve for x
    x = 1,207,192.39/1,333.54
  6. Step 6: Final answer
    x = 905.25

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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.