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Finding the Fourth Proportional to 380.01, 569.31 and 303.06

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Solution

The fourth proportional to 380.01, 569.31 and 303.06 is: 454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380.01 : 569.31 = 303.06 : x
  2. Step 2: Convert to fraction form
    380.01/569.31 = 303.06/x
  3. Step 3: Cross multiply
    380.01x = 569.31 × 303.06
  4. Step 4: Simplify right side
    380.01x = 172,535.09
  5. Step 5: Solve for x
    x = 172,535.09/380.01
  6. Step 6: Final answer
    x = 454.03

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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.