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Finding the Fourth Proportional to 610.02, 916.38 and 366.69

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Solution

The fourth proportional to 610.02, 916.38 and 366.69 is: 550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.02 : 916.38 = 366.69 : x
  2. Step 2: Convert to fraction form
    610.02/916.38 = 366.69/x
  3. Step 3: Cross multiply
    610.02x = 916.38 × 366.69
  4. Step 4: Simplify right side
    610.02x = 336,027.38
  5. Step 5: Solve for x
    x = 336,027.38/610.02
  6. Step 6: Final answer
    x = 550.85

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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.