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Finding the Fourth Proportional to 579.24, 875.43 and 569.16

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Solution

The fourth proportional to 579.24, 875.43 and 569.16 is: 860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.24 : 875.43 = 569.16 : x
  2. Step 2: Convert to fraction form
    579.24/875.43 = 569.16/x
  3. Step 3: Cross multiply
    579.24x = 875.43 × 569.16
  4. Step 4: Simplify right side
    579.24x = 498,259.74
  5. Step 5: Solve for x
    x = 498,259.74/579.24
  6. Step 6: Final answer
    x = 860.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.