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Finding the Fourth Proportional to 564.70, 846.98 and 153.82

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Solution

The fourth proportional to 564.70, 846.98 and 153.82 is: 230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.70 : 846.98 = 153.82 : x
  2. Step 2: Convert to fraction form
    564.70/846.98 = 153.82/x
  3. Step 3: Cross multiply
    564.70x = 846.98 × 153.82
  4. Step 4: Simplify right side
    564.70x = 130,282.46
  5. Step 5: Solve for x
    x = 130,282.46/564.70
  6. Step 6: Final answer
    x = 230.71

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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.