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Finding the Fourth Proportional to 1,548.43, 2,323.54 and 624.07

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Solution

The fourth proportional to 1,548.43, 2,323.54 and 624.07 is: 936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.43 : 2,323.54 = 624.07 : x
  2. Step 2: Convert to fraction form
    1,548.43/2,323.54 = 624.07/x
  3. Step 3: Cross multiply
    1,548.43x = 2,323.54 × 624.07
  4. Step 4: Simplify right side
    1,548.43x = 1,450,051.61
  5. Step 5: Solve for x
    x = 1,450,051.61/1,548.43
  6. Step 6: Final answer
    x = 936.47

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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.