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Finding the Fourth Proportional to 370.82, 552.73 and 359.03

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Solution

The fourth proportional to 370.82, 552.73 and 359.03 is: 535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.82 : 552.73 = 359.03 : x
  2. Step 2: Convert to fraction form
    370.82/552.73 = 359.03/x
  3. Step 3: Cross multiply
    370.82x = 552.73 × 359.03
  4. Step 4: Simplify right side
    370.82x = 198,444.34
  5. Step 5: Solve for x
    x = 198,444.34/370.82
  6. Step 6: Final answer
    x = 535.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.