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Finding the Fourth Proportional to 583.11, 804.75 and 397.02

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Solution

The fourth proportional to 583.11, 804.75 and 397.02 is: 547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.11 : 804.75 = 397.02 : x
  2. Step 2: Convert to fraction form
    583.11/804.75 = 397.02/x
  3. Step 3: Cross multiply
    583.11x = 804.75 × 397.02
  4. Step 4: Simplify right side
    583.11x = 319,501.85
  5. Step 5: Solve for x
    x = 319,501.85/583.11
  6. Step 6: Final answer
    x = 547.93

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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.