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Finding the Fourth Proportional to 575.37, 794.93 and 401.49

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Solution

The fourth proportional to 575.37, 794.93 and 401.49 is: 554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.37 : 794.93 = 401.49 : x
  2. Step 2: Convert to fraction form
    575.37/794.93 = 401.49/x
  3. Step 3: Cross multiply
    575.37x = 794.93 × 401.49
  4. Step 4: Simplify right side
    575.37x = 319,156.45
  5. Step 5: Solve for x
    x = 319,156.45/575.37
  6. Step 6: Final answer
    x = 554.70

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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.