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Finding the Fourth Proportional to 939.07, 1,295.80 and 546.04

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Solution

The fourth proportional to 939.07, 1,295.80 and 546.04 is: 753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    939.07 : 1,295.80 = 546.04 : x
  2. Step 2: Convert to fraction form
    939.07/1,295.80 = 546.04/x
  3. Step 3: Cross multiply
    939.07x = 1,295.80 × 546.04
  4. Step 4: Simplify right side
    939.07x = 707,558.63
  5. Step 5: Solve for x
    x = 707,558.63/939.07
  6. Step 6: Final answer
    x = 753.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.