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Finding the Fourth Proportional to 600.54, 900.90 and 343.50

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Solution

The fourth proportional to 600.54, 900.90 and 343.50 is: 515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.54 : 900.90 = 343.50 : x
  2. Step 2: Convert to fraction form
    600.54/900.90 = 343.50/x
  3. Step 3: Cross multiply
    600.54x = 900.90 × 343.50
  4. Step 4: Simplify right side
    600.54x = 309,459.15
  5. Step 5: Solve for x
    x = 309,459.15/600.54
  6. Step 6: Final answer
    x = 515.30

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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.