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Finding the Fourth Proportional to 1,598.36, 2,396.98 and 558.12

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Solution

The fourth proportional to 1,598.36, 2,396.98 and 558.12 is: 836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.36 : 2,396.98 = 558.12 : x
  2. Step 2: Convert to fraction form
    1,598.36/2,396.98 = 558.12/x
  3. Step 3: Cross multiply
    1,598.36x = 2,396.98 × 558.12
  4. Step 4: Simplify right side
    1,598.36x = 1,337,802.48
  5. Step 5: Solve for x
    x = 1,337,802.48/1,598.36
  6. Step 6: Final answer
    x = 836.98

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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.