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Finding the Fourth Proportional to 610.86, 917.46 and 501.33

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Solution

The fourth proportional to 610.86, 917.46 and 501.33 is: 752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.86 : 917.46 = 501.33 : x
  2. Step 2: Convert to fraction form
    610.86/917.46 = 501.33/x
  3. Step 3: Cross multiply
    610.86x = 917.46 × 501.33
  4. Step 4: Simplify right side
    610.86x = 459,950.22
  5. Step 5: Solve for x
    x = 459,950.22/610.86
  6. Step 6: Final answer
    x = 752.96

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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.