Home / 630.22-945.53-240.40

Finding the Fourth Proportional to 630.22, 945.53 and 240.40

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Solution

The fourth proportional to 630.22, 945.53 and 240.40 is: 360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.22 : 945.53 = 240.40 : x
  2. Step 2: Convert to fraction form
    630.22/945.53 = 240.40/x
  3. Step 3: Cross multiply
    630.22x = 945.53 × 240.40
  4. Step 4: Simplify right side
    630.22x = 227,305.41
  5. Step 5: Solve for x
    x = 227,305.41/630.22
  6. Step 6: Final answer
    x = 360.68

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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.