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Finding the Fourth Proportional to 584.00, 876.62 and 429.43

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Solution

The fourth proportional to 584.00, 876.62 and 429.43 is: 644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.00 : 876.62 = 429.43 : x
  2. Step 2: Convert to fraction form
    584.00/876.62 = 429.43/x
  3. Step 3: Cross multiply
    584.00x = 876.62 × 429.43
  4. Step 4: Simplify right side
    584.00x = 376,444.99
  5. Step 5: Solve for x
    x = 376,444.99/584.00
  6. Step 6: Final answer
    x = 644.60

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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.