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Finding the Fourth Proportional to 1,598.68, 2,398.06 and 444.42

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Solution

The fourth proportional to 1,598.68, 2,398.06 and 444.42 is: 666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.68 : 2,398.06 = 444.42 : x
  2. Step 2: Convert to fraction form
    1,598.68/2,398.06 = 444.42/x
  3. Step 3: Cross multiply
    1,598.68x = 2,398.06 × 444.42
  4. Step 4: Simplify right side
    1,598.68x = 1,065,745.83
  5. Step 5: Solve for x
    x = 1,065,745.83/1,598.68
  6. Step 6: Final answer
    x = 666.64

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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.