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Finding the Fourth Proportional to 600.03, 900.35 and 427.20

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Solution

The fourth proportional to 600.03, 900.35 and 427.20 is: 641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.03 : 900.35 = 427.20 : x
  2. Step 2: Convert to fraction form
    600.03/900.35 = 427.20/x
  3. Step 3: Cross multiply
    600.03x = 900.35 × 427.20
  4. Step 4: Simplify right side
    600.03x = 384,625.61
  5. Step 5: Solve for x
    x = 384,625.61/600.03
  6. Step 6: Final answer
    x = 641.01

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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.