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Finding the Fourth Proportional to 531.69, 796.23 and 348.90

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Solution

The fourth proportional to 531.69, 796.23 and 348.90 is: 522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.69 : 796.23 = 348.90 : x
  2. Step 2: Convert to fraction form
    531.69/796.23 = 348.90/x
  3. Step 3: Cross multiply
    531.69x = 796.23 × 348.90
  4. Step 4: Simplify right side
    531.69x = 277,804.65
  5. Step 5: Solve for x
    x = 277,804.65/531.69
  6. Step 6: Final answer
    x = 522.49

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Double scale
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Similar ratio
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1.5x scale

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.