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Finding the Fourth Proportional to 926.00, 1,276.90 and 576.08

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Solution

The fourth proportional to 926.00, 1,276.90 and 576.08 is: 794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.00 : 1,276.90 = 576.08 : x
  2. Step 2: Convert to fraction form
    926.00/1,276.90 = 576.08/x
  3. Step 3: Cross multiply
    926.00x = 1,276.90 × 576.08
  4. Step 4: Simplify right side
    926.00x = 735,588.73
  5. Step 5: Solve for x
    x = 735,588.73/926.00
  6. Step 6: Final answer
    x = 794.38

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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.