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Finding the Fourth Proportional to 350.70, 477.24 and 350.70

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Solution

The fourth proportional to 350.70, 477.24 and 350.70 is: 477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.70 : 477.24 = 350.70 : x
  2. Step 2: Convert to fraction form
    350.70/477.24 = 350.70/x
  3. Step 3: Cross multiply
    350.70x = 477.24 × 350.70
  4. Step 4: Simplify right side
    350.70x = 167,368.07
  5. Step 5: Solve for x
    x = 167,368.07/350.70
  6. Step 6: Final answer
    x = 477.24

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.