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Finding the Fourth Proportional to 1,095.88, 1,512.31 and 598.53

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Solution

The fourth proportional to 1,095.88, 1,512.31 and 598.53 is: 825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.88 : 1,512.31 = 598.53 : x
  2. Step 2: Convert to fraction form
    1,095.88/1,512.31 = 598.53/x
  3. Step 3: Cross multiply
    1,095.88x = 1,512.31 × 598.53
  4. Step 4: Simplify right side
    1,095.88x = 905,162.90
  5. Step 5: Solve for x
    x = 905,162.90/1,095.88
  6. Step 6: Final answer
    x = 825.97

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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.