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Finding the Fourth Proportional to 615.60, 853.92 and 594.88

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Solution

The fourth proportional to 615.60, 853.92 and 594.88 is: 825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.60 : 853.92 = 594.88 : x
  2. Step 2: Convert to fraction form
    615.60/853.92 = 594.88/x
  3. Step 3: Cross multiply
    615.60x = 853.92 × 594.88
  4. Step 4: Simplify right side
    615.60x = 507,979.93
  5. Step 5: Solve for x
    x = 507,979.93/615.60
  6. Step 6: Final answer
    x = 825.18

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.