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Finding the Fourth Proportional to 357.46, 532.50 and 335.05

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Solution

The fourth proportional to 357.46, 532.50 and 335.05 is: 499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.46 : 532.50 = 335.05 : x
  2. Step 2: Convert to fraction form
    357.46/532.50 = 335.05/x
  3. Step 3: Cross multiply
    357.46x = 532.50 × 335.05
  4. Step 4: Simplify right side
    357.46x = 178,411.54
  5. Step 5: Solve for x
    x = 178,411.54/357.46
  6. Step 6: Final answer
    x = 499.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.