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Finding the Fourth Proportional to 1,584.66, 2,376.98 and 488.90

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Solution

The fourth proportional to 1,584.66, 2,376.98 and 488.90 is: 733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.66 : 2,376.98 = 488.90 : x
  2. Step 2: Convert to fraction form
    1,584.66/2,376.98 = 488.90/x
  3. Step 3: Cross multiply
    1,584.66x = 2,376.98 × 488.90
  4. Step 4: Simplify right side
    1,584.66x = 1,162,110.85
  5. Step 5: Solve for x
    x = 1,162,110.85/1,584.66
  6. Step 6: Final answer
    x = 733.35

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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.