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Finding the Fourth Proportional to 605.10, 913.18 and 605.10

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Solution

The fourth proportional to 605.10, 913.18 and 605.10 is: 913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.10 : 913.18 = 605.10 : x
  2. Step 2: Convert to fraction form
    605.10/913.18 = 605.10/x
  3. Step 3: Cross multiply
    605.10x = 913.18 × 605.10
  4. Step 4: Simplify right side
    605.10x = 552,565.22
  5. Step 5: Solve for x
    x = 552,565.22/605.10
  6. Step 6: Final answer
    x = 913.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.