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Finding the Fourth Proportional to 650.27, 897.21 and 384.64

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Solution

The fourth proportional to 650.27, 897.21 and 384.64 is: 530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.27 : 897.21 = 384.64 : x
  2. Step 2: Convert to fraction form
    650.27/897.21 = 384.64/x
  3. Step 3: Cross multiply
    650.27x = 897.21 × 384.64
  4. Step 4: Simplify right side
    650.27x = 345,100.61
  5. Step 5: Solve for x
    x = 345,100.61/650.27
  6. Step 6: Final answer
    x = 530.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.