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Finding the Fourth Proportional to 529.30, 792.51 and 336.34

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Solution

The fourth proportional to 529.30, 792.51 and 336.34 is: 503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.30 : 792.51 = 336.34 : x
  2. Step 2: Convert to fraction form
    529.30/792.51 = 336.34/x
  3. Step 3: Cross multiply
    529.30x = 792.51 × 336.34
  4. Step 4: Simplify right side
    529.30x = 266,552.81
  5. Step 5: Solve for x
    x = 266,552.81/529.30
  6. Step 6: Final answer
    x = 503.59

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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.