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Finding the Fourth Proportional to 650.70, 897.57 and 401.58

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Solution

The fourth proportional to 650.70, 897.57 and 401.58 is: 553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.70 : 897.57 = 401.58 : x
  2. Step 2: Convert to fraction form
    650.70/897.57 = 401.58/x
  3. Step 3: Cross multiply
    650.70x = 897.57 × 401.58
  4. Step 4: Simplify right side
    650.70x = 360,446.16
  5. Step 5: Solve for x
    x = 360,446.16/650.70
  6. Step 6: Final answer
    x = 553.94

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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.