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Finding the Fourth Proportional to 537.93, 807.26 and 400.55

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Solution

The fourth proportional to 537.93, 807.26 and 400.55 is: 601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.93 : 807.26 = 400.55 : x
  2. Step 2: Convert to fraction form
    537.93/807.26 = 400.55/x
  3. Step 3: Cross multiply
    537.93x = 807.26 × 400.55
  4. Step 4: Simplify right side
    537.93x = 323,341.95
  5. Step 5: Solve for x
    x = 323,341.95/537.93
  6. Step 6: Final answer
    x = 601.09

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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.