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Finding the Fourth Proportional to 1,036.77, 1,552.31 and 573.86

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Solution

The fourth proportional to 1,036.77, 1,552.31 and 573.86 is: 859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.77 : 1,552.31 = 573.86 : x
  2. Step 2: Convert to fraction form
    1,036.77/1,552.31 = 573.86/x
  3. Step 3: Cross multiply
    1,036.77x = 1,552.31 × 573.86
  4. Step 4: Simplify right side
    1,036.77x = 890,810.64
  5. Step 5: Solve for x
    x = 890,810.64/1,036.77
  6. Step 6: Final answer
    x = 859.21

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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.