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Finding the Fourth Proportional to 529.99, 794.85 and 356.56

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Solution

The fourth proportional to 529.99, 794.85 and 356.56 is: 534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.99 : 794.85 = 356.56 : x
  2. Step 2: Convert to fraction form
    529.99/794.85 = 356.56/x
  3. Step 3: Cross multiply
    529.99x = 794.85 × 356.56
  4. Step 4: Simplify right side
    529.99x = 283,411.72
  5. Step 5: Solve for x
    x = 283,411.72/529.99
  6. Step 6: Final answer
    x = 534.75

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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.