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Finding the Fourth Proportional to 583.30, 804.94 and 434.59

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Solution

The fourth proportional to 583.30, 804.94 and 434.59 is: 599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.30 : 804.94 = 434.59 : x
  2. Step 2: Convert to fraction form
    583.30/804.94 = 434.59/x
  3. Step 3: Cross multiply
    583.30x = 804.94 × 434.59
  4. Step 4: Simplify right side
    583.30x = 349,818.87
  5. Step 5: Solve for x
    x = 349,818.87/583.30
  6. Step 6: Final answer
    x = 599.72

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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.