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Finding the Fourth Proportional to 610.94, 917.22 and 589.88

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Solution

The fourth proportional to 610.94, 917.22 and 589.88 is: 885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.94 : 917.22 = 589.88 : x
  2. Step 2: Convert to fraction form
    610.94/917.22 = 589.88/x
  3. Step 3: Cross multiply
    610.94x = 917.22 × 589.88
  4. Step 4: Simplify right side
    610.94x = 541,054.24
  5. Step 5: Solve for x
    x = 541,054.24/610.94
  6. Step 6: Final answer
    x = 885.61

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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.