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Finding the Fourth Proportional to 630.01, 945.15 and 240.13

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Solution

The fourth proportional to 630.01, 945.15 and 240.13 is: 360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.01 : 945.15 = 240.13 : x
  2. Step 2: Convert to fraction form
    630.01/945.15 = 240.13/x
  3. Step 3: Cross multiply
    630.01x = 945.15 × 240.13
  4. Step 4: Simplify right side
    630.01x = 226,958.87
  5. Step 5: Solve for x
    x = 226,958.87/630.01
  6. Step 6: Final answer
    x = 360.25

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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.