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Finding the Fourth Proportional to 1,063.05, 1,594.65 and 283.04

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Solution

The fourth proportional to 1,063.05, 1,594.65 and 283.04 is: 424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.05 : 1,594.65 = 283.04 : x
  2. Step 2: Convert to fraction form
    1,063.05/1,594.65 = 283.04/x
  3. Step 3: Cross multiply
    1,063.05x = 1,594.65 × 283.04
  4. Step 4: Simplify right side
    1,063.05x = 451,349.74
  5. Step 5: Solve for x
    x = 451,349.74/1,063.05
  6. Step 6: Final answer
    x = 424.58

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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.