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Finding the Fourth Proportional to 592.78, 818.18 and 344.22

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Solution

The fourth proportional to 592.78, 818.18 and 344.22 is: 475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.78 : 818.18 = 344.22 : x
  2. Step 2: Convert to fraction form
    592.78/818.18 = 344.22/x
  3. Step 3: Cross multiply
    592.78x = 818.18 × 344.22
  4. Step 4: Simplify right side
    592.78x = 281,633.92
  5. Step 5: Solve for x
    x = 281,633.92/592.78
  6. Step 6: Final answer
    x = 475.11

Related Problems

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Half scale
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Double scale
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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.