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Finding the Fourth Proportional to 592.90, 818.12 and 344.18

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Solution

The fourth proportional to 592.90, 818.12 and 344.18 is: 474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.90 : 818.12 = 344.18 : x
  2. Step 2: Convert to fraction form
    592.90/818.12 = 344.18/x
  3. Step 3: Cross multiply
    592.90x = 818.12 × 344.18
  4. Step 4: Simplify right side
    592.90x = 281,578.82
  5. Step 5: Solve for x
    x = 281,578.82/592.90
  6. Step 6: Final answer
    x = 474.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.