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Finding the Fourth Proportional to 619.00, 853.82 and 370.13

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Solution

The fourth proportional to 619.00, 853.82 and 370.13 is: 510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.00 : 853.82 = 370.13 : x
  2. Step 2: Convert to fraction form
    619.00/853.82 = 370.13/x
  3. Step 3: Cross multiply
    619.00x = 853.82 × 370.13
  4. Step 4: Simplify right side
    619.00x = 316,019.66
  5. Step 5: Solve for x
    x = 316,019.66/619.00
  6. Step 6: Final answer
    x = 510.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.