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Finding the Fourth Proportional to 610.37, 913.95 and 559.61

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Solution

The fourth proportional to 610.37, 913.95 and 559.61 is: 837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.37 : 913.95 = 559.61 : x
  2. Step 2: Convert to fraction form
    610.37/913.95 = 559.61/x
  3. Step 3: Cross multiply
    610.37x = 913.95 × 559.61
  4. Step 4: Simplify right side
    610.37x = 511,454.42
  5. Step 5: Solve for x
    x = 511,454.42/610.37
  6. Step 6: Final answer
    x = 837.94

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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.