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Finding the Fourth Proportional to 654.01, 981.30 and 325.27

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Solution

The fourth proportional to 654.01, 981.30 and 325.27 is: 488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.01 : 981.30 = 325.27 : x
  2. Step 2: Convert to fraction form
    654.01/981.30 = 325.27/x
  3. Step 3: Cross multiply
    654.01x = 981.30 × 325.27
  4. Step 4: Simplify right side
    654.01x = 319,192.20
  5. Step 5: Solve for x
    x = 319,192.20/654.01
  6. Step 6: Final answer
    x = 488.06

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Double scale
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Similar ratio
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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.