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Finding the Fourth Proportional to 1,598.39, 2,398.96 and 625.18

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Solution

The fourth proportional to 1,598.39, 2,398.96 and 625.18 is: 938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.39 : 2,398.96 = 625.18 : x
  2. Step 2: Convert to fraction form
    1,598.39/2,398.96 = 625.18/x
  3. Step 3: Cross multiply
    1,598.39x = 2,398.96 × 625.18
  4. Step 4: Simplify right side
    1,598.39x = 1,499,777.38
  5. Step 5: Solve for x
    x = 1,499,777.38/1,598.39
  6. Step 6: Final answer
    x = 938.30

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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.