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Finding the Fourth Proportional to 583.58, 876.18 and 557.66

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Solution

The fourth proportional to 583.58, 876.18 and 557.66 is: 837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.58 : 876.18 = 557.66 : x
  2. Step 2: Convert to fraction form
    583.58/876.18 = 557.66/x
  3. Step 3: Cross multiply
    583.58x = 876.18 × 557.66
  4. Step 4: Simplify right side
    583.58x = 488,610.54
  5. Step 5: Solve for x
    x = 488,610.54/583.58
  6. Step 6: Final answer
    x = 837.26

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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.