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Finding the Fourth Proportional to 1,063.75, 1,468.11 and 598

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Solution

The fourth proportional to 1,063.75, 1,468.11 and 598 is: 825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.75 : 1,468.11 = 598 : x
  2. Step 2: Convert to fraction form
    1,063.75/1,468.11 = 598/x
  3. Step 3: Cross multiply
    1,063.75x = 1,468.11 × 598
  4. Step 4: Simplify right side
    1,063.75x = 877,929.78
  5. Step 5: Solve for x
    x = 877,929.78/1,063.75
  6. Step 6: Final answer
    x = 825.32

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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.