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Finding the Fourth Proportional to 564.99, 847.35 and 290.94

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Solution

The fourth proportional to 564.99, 847.35 and 290.94 is: 436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.99 : 847.35 = 290.94 : x
  2. Step 2: Convert to fraction form
    564.99/847.35 = 290.94/x
  3. Step 3: Cross multiply
    564.99x = 847.35 × 290.94
  4. Step 4: Simplify right side
    564.99x = 246,528.01
  5. Step 5: Solve for x
    x = 246,528.01/564.99
  6. Step 6: Final answer
    x = 436.34

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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.