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Finding the Fourth Proportional to 655.83, 984.69 and 582.93

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Solution

The fourth proportional to 655.83, 984.69 and 582.93 is: 875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.83 : 984.69 = 582.93 : x
  2. Step 2: Convert to fraction form
    655.83/984.69 = 582.93/x
  3. Step 3: Cross multiply
    655.83x = 984.69 × 582.93
  4. Step 4: Simplify right side
    655.83x = 574,005.34
  5. Step 5: Solve for x
    x = 574,005.34/655.83
  6. Step 6: Final answer
    x = 875.23

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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.