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Finding the Fourth Proportional to 349.08, 522.66 and 283.93

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Solution

The fourth proportional to 349.08, 522.66 and 283.93 is: 425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.08 : 522.66 = 283.93 : x
  2. Step 2: Convert to fraction form
    349.08/522.66 = 283.93/x
  3. Step 3: Cross multiply
    349.08x = 522.66 × 283.93
  4. Step 4: Simplify right side
    349.08x = 148,397.55
  5. Step 5: Solve for x
    x = 148,397.55/349.08
  6. Step 6: Final answer
    x = 425.11

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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.