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Finding the Fourth Proportional to 604.13, 833.49 and 383.05

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Solution

The fourth proportional to 604.13, 833.49 and 383.05 is: 528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.13 : 833.49 = 383.05 : x
  2. Step 2: Convert to fraction form
    604.13/833.49 = 383.05/x
  3. Step 3: Cross multiply
    604.13x = 833.49 × 383.05
  4. Step 4: Simplify right side
    604.13x = 319,266.26
  5. Step 5: Solve for x
    x = 319,266.26/604.13
  6. Step 6: Final answer
    x = 528.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.