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Finding the Fourth Proportional to 600.30, 899.90 and 275.48

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Solution

The fourth proportional to 600.30, 899.90 and 275.48 is: 412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.30 : 899.90 = 275.48 : x
  2. Step 2: Convert to fraction form
    600.30/899.90 = 275.48/x
  3. Step 3: Cross multiply
    600.30x = 899.90 × 275.48
  4. Step 4: Simplify right side
    600.30x = 247,904.45
  5. Step 5: Solve for x
    x = 247,904.45/600.30
  6. Step 6: Final answer
    x = 412.97

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1.5x scale

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.