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Finding the Fourth Proportional to 1,151.18, 1,725.92 and 566

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Solution

The fourth proportional to 1,151.18, 1,725.92 and 566 is: 848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.18 : 1,725.92 = 566 : x
  2. Step 2: Convert to fraction form
    1,151.18/1,725.92 = 566/x
  3. Step 3: Cross multiply
    1,151.18x = 1,725.92 × 566
  4. Step 4: Simplify right side
    1,151.18x = 976,870.72
  5. Step 5: Solve for x
    x = 976,870.72/1,151.18
  6. Step 6: Final answer
    x = 848.58

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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.