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Finding the Fourth Proportional to 584.67, 875.58 and 378.64

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Solution

The fourth proportional to 584.67, 875.58 and 378.64 is: 567.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.67 : 875.58 = 378.64 : x
  2. Step 2: Convert to fraction form
    584.67/875.58 = 378.64/x
  3. Step 3: Cross multiply
    584.67x = 875.58 × 378.64
  4. Step 4: Simplify right side
    584.67x = 331,529.29
  5. Step 5: Solve for x
    x = 331,529.29/584.67
  6. Step 6: Final answer
    x = 567.04

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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.