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Finding the Fourth Proportional to 583.82, 875.66 and 486.93

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Solution

The fourth proportional to 583.82, 875.66 and 486.93 is: 730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.82 : 875.66 = 486.93 : x
  2. Step 2: Convert to fraction form
    583.82/875.66 = 486.93/x
  3. Step 3: Cross multiply
    583.82x = 875.66 × 486.93
  4. Step 4: Simplify right side
    583.82x = 426,382.69
  5. Step 5: Solve for x
    x = 426,382.69/583.82
  6. Step 6: Final answer
    x = 730.34

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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.