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Finding the Fourth Proportional to 581.80, 802.89 and 333.07

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Solution

The fourth proportional to 581.80, 802.89 and 333.07 is: 459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.80 : 802.89 = 333.07 : x
  2. Step 2: Convert to fraction form
    581.80/802.89 = 333.07/x
  3. Step 3: Cross multiply
    581.80x = 802.89 × 333.07
  4. Step 4: Simplify right side
    581.80x = 267,418.57
  5. Step 5: Solve for x
    x = 267,418.57/581.80
  6. Step 6: Final answer
    x = 459.64

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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.