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Finding the Fourth Proportional to 630.32, 945.26 and 240.22

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Solution

The fourth proportional to 630.32, 945.26 and 240.22 is: 360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.32 : 945.26 = 240.22 : x
  2. Step 2: Convert to fraction form
    630.32/945.26 = 240.22/x
  3. Step 3: Cross multiply
    630.32x = 945.26 × 240.22
  4. Step 4: Simplify right side
    630.32x = 227,066.79
  5. Step 5: Solve for x
    x = 227,066.79/630.32
  6. Step 6: Final answer
    x = 360.24

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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.