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Finding the Fourth Proportional to 610.08, 913.07 and 559.51

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Solution

The fourth proportional to 610.08, 913.07 and 559.51 is: 837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.08 : 913.07 = 559.51 : x
  2. Step 2: Convert to fraction form
    610.08/913.07 = 559.51/x
  3. Step 3: Cross multiply
    610.08x = 913.07 × 559.51
  4. Step 4: Simplify right side
    610.08x = 510,870.91
  5. Step 5: Solve for x
    x = 510,870.91/610.08
  6. Step 6: Final answer
    x = 837.38

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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.