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Finding the Fourth Proportional to 349.37, 522.18 and 341.16

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Solution

The fourth proportional to 349.37, 522.18 and 341.16 is: 509.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.37 : 522.18 = 341.16 : x
  2. Step 2: Convert to fraction form
    349.37/522.18 = 341.16/x
  3. Step 3: Cross multiply
    349.37x = 522.18 × 341.16
  4. Step 4: Simplify right side
    349.37x = 178,146.93
  5. Step 5: Solve for x
    x = 178,146.93/349.37
  6. Step 6: Final answer
    x = 509.92

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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.