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Finding the Fourth Proportional to 1,102.65, 1,653.05 and 582.36

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Solution

The fourth proportional to 1,102.65, 1,653.05 and 582.36 is: 873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.65 : 1,653.05 = 582.36 : x
  2. Step 2: Convert to fraction form
    1,102.65/1,653.05 = 582.36/x
  3. Step 3: Cross multiply
    1,102.65x = 1,653.05 × 582.36
  4. Step 4: Simplify right side
    1,102.65x = 962,667.29
  5. Step 5: Solve for x
    x = 962,667.29/1,102.65
  6. Step 6: Final answer
    x = 873.05

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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.