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Finding the Fourth Proportional to 650.33, 897.18 and 401.15

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Solution

The fourth proportional to 650.33, 897.18 and 401.15 is: 553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.33 : 897.18 = 401.15 : x
  2. Step 2: Convert to fraction form
    650.33/897.18 = 401.15/x
  3. Step 3: Cross multiply
    650.33x = 897.18 × 401.15
  4. Step 4: Simplify right side
    650.33x = 359,904.50
  5. Step 5: Solve for x
    x = 359,904.50/650.33
  6. Step 6: Final answer
    x = 553.42

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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.