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Finding the Fourth Proportional to 368.70, 552.37 and 351.84

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Solution

The fourth proportional to 368.70, 552.37 and 351.84 is: 527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.70 : 552.37 = 351.84 : x
  2. Step 2: Convert to fraction form
    368.70/552.37 = 351.84/x
  3. Step 3: Cross multiply
    368.70x = 552.37 × 351.84
  4. Step 4: Simplify right side
    368.70x = 194,347.71
  5. Step 5: Solve for x
    x = 194,347.71/368.70
  6. Step 6: Final answer
    x = 527.11

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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.