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Finding the Fourth Proportional to 535.61, 802.04 and 474.56

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Solution

The fourth proportional to 535.61, 802.04 and 474.56 is: 710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.61 : 802.04 = 474.56 : x
  2. Step 2: Convert to fraction form
    535.61/802.04 = 474.56/x
  3. Step 3: Cross multiply
    535.61x = 802.04 × 474.56
  4. Step 4: Simplify right side
    535.61x = 380,612.09
  5. Step 5: Solve for x
    x = 380,612.09/535.61
  6. Step 6: Final answer
    x = 710.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.