Home / 630.05-945.22-240.05

Finding the Fourth Proportional to 630.05, 945.22 and 240.05

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Solution

The fourth proportional to 630.05, 945.22 and 240.05 is: 360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.05 : 945.22 = 240.05 : x
  2. Step 2: Convert to fraction form
    630.05/945.22 = 240.05/x
  3. Step 3: Cross multiply
    630.05x = 945.22 × 240.05
  4. Step 4: Simplify right side
    630.05x = 226,902.27
  5. Step 5: Solve for x
    x = 226,902.27/630.05
  6. Step 6: Final answer
    x = 360.13

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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.