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Finding the Fourth Proportional to 566.26, 847.73 and 429.84

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Solution

The fourth proportional to 566.26, 847.73 and 429.84 is: 643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.26 : 847.73 = 429.84 : x
  2. Step 2: Convert to fraction form
    566.26/847.73 = 429.84/x
  3. Step 3: Cross multiply
    566.26x = 847.73 × 429.84
  4. Step 4: Simplify right side
    566.26x = 364,389.34
  5. Step 5: Solve for x
    x = 364,389.34/566.26
  6. Step 6: Final answer
    x = 643.50

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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.