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Finding the Fourth Proportional to 581.43, 802.04 and 348.51

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Solution

The fourth proportional to 581.43, 802.04 and 348.51 is: 480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.43 : 802.04 = 348.51 : x
  2. Step 2: Convert to fraction form
    581.43/802.04 = 348.51/x
  3. Step 3: Cross multiply
    581.43x = 802.04 × 348.51
  4. Step 4: Simplify right side
    581.43x = 279,517.22
  5. Step 5: Solve for x
    x = 279,517.22/581.43
  6. Step 6: Final answer
    x = 480.74

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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.