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Finding the Fourth Proportional to 370.62, 553.28 and 346.14

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Solution

The fourth proportional to 370.62, 553.28 and 346.14 is: 516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.62 : 553.28 = 346.14 : x
  2. Step 2: Convert to fraction form
    370.62/553.28 = 346.14/x
  3. Step 3: Cross multiply
    370.62x = 553.28 × 346.14
  4. Step 4: Simplify right side
    370.62x = 191,510.61
  5. Step 5: Solve for x
    x = 191,510.61/370.62
  6. Step 6: Final answer
    x = 516.73

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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.