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Finding the Fourth Proportional to 939.00, 1,295.90 and 546

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Solution

The fourth proportional to 939.00, 1,295.90 and 546 is: 753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    939.00 : 1,295.90 = 546 : x
  2. Step 2: Convert to fraction form
    939.00/1,295.90 = 546/x
  3. Step 3: Cross multiply
    939.00x = 1,295.90 × 546
  4. Step 4: Simplify right side
    939.00x = 707,562.77
  5. Step 5: Solve for x
    x = 707,562.77/939.00
  6. Step 6: Final answer
    x = 753.52

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Why These Related Problems?

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