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Finding the Fourth Proportional to 584.56, 875.58 and 539.20

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Solution

The fourth proportional to 584.56, 875.58 and 539.20 is: 807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.56 : 875.58 = 539.20 : x
  2. Step 2: Convert to fraction form
    584.56/875.58 = 539.20/x
  3. Step 3: Cross multiply
    584.56x = 875.58 × 539.20
  4. Step 4: Simplify right side
    584.56x = 472,112.74
  5. Step 5: Solve for x
    x = 472,112.74/584.56
  6. Step 6: Final answer
    x = 807.64

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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.