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Finding the Fourth Proportional to 654.10, 981.33 and 532.06

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Solution

The fourth proportional to 654.10, 981.33 and 532.06 is: 798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.10 : 981.33 = 532.06 : x
  2. Step 2: Convert to fraction form
    654.10/981.33 = 532.06/x
  3. Step 3: Cross multiply
    654.10x = 981.33 × 532.06
  4. Step 4: Simplify right side
    654.10x = 522,126.44
  5. Step 5: Solve for x
    x = 522,126.44/654.10
  6. Step 6: Final answer
    x = 798.24

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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.