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Finding the Fourth Proportional to 535.46, 802.58 and 243.18

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Solution

The fourth proportional to 535.46, 802.58 and 243.18 is: 364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.46 : 802.58 = 243.18 : x
  2. Step 2: Convert to fraction form
    535.46/802.58 = 243.18/x
  3. Step 3: Cross multiply
    535.46x = 802.58 × 243.18
  4. Step 4: Simplify right side
    535.46x = 195,170.19
  5. Step 5: Solve for x
    x = 195,170.19/535.46
  6. Step 6: Final answer
    x = 364.49

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Similar ratio
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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.