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Finding the Fourth Proportional to 900.41, 1,350.58 and 484.08

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Solution

The fourth proportional to 900.41, 1,350.58 and 484.08 is: 726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.41 : 1,350.58 = 484.08 : x
  2. Step 2: Convert to fraction form
    900.41/1,350.58 = 484.08/x
  3. Step 3: Cross multiply
    900.41x = 1,350.58 × 484.08
  4. Step 4: Simplify right side
    900.41x = 653,786.35
  5. Step 5: Solve for x
    x = 653,786.35/900.41
  6. Step 6: Final answer
    x = 726.10

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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.