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Finding the Fourth Proportional to 564.69, 846.50 and 290.17

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Solution

The fourth proportional to 564.69, 846.50 and 290.17 is: 434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.69 : 846.50 = 290.17 : x
  2. Step 2: Convert to fraction form
    564.69/846.50 = 290.17/x
  3. Step 3: Cross multiply
    564.69x = 846.50 × 290.17
  4. Step 4: Simplify right side
    564.69x = 245,628.91
  5. Step 5: Solve for x
    x = 245,628.91/564.69
  6. Step 6: Final answer
    x = 434.98

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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.