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Finding the Fourth Proportional to 532.21, 797.10 and 440.29

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Solution

The fourth proportional to 532.21, 797.10 and 440.29 is: 659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.21 : 797.10 = 440.29 : x
  2. Step 2: Convert to fraction form
    532.21/797.10 = 440.29/x
  3. Step 3: Cross multiply
    532.21x = 797.10 × 440.29
  4. Step 4: Simplify right side
    532.21x = 350,955.16
  5. Step 5: Solve for x
    x = 350,955.16/532.21
  6. Step 6: Final answer
    x = 659.43

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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.