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Finding the Fourth Proportional to 352.50, 531.56 and 307.41

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Solution

The fourth proportional to 352.50, 531.56 and 307.41 is: 463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.50 : 531.56 = 307.41 : x
  2. Step 2: Convert to fraction form
    352.50/531.56 = 307.41/x
  3. Step 3: Cross multiply
    352.50x = 531.56 × 307.41
  4. Step 4: Simplify right side
    352.50x = 163,405.32
  5. Step 5: Solve for x
    x = 163,405.32/352.50
  6. Step 6: Final answer
    x = 463.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.