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Finding the Fourth Proportional to 385.16, 532.98 and 333.32

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Solution

The fourth proportional to 385.16, 532.98 and 333.32 is: 461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    385.16 : 532.98 = 333.32 : x
  2. Step 2: Convert to fraction form
    385.16/532.98 = 333.32/x
  3. Step 3: Cross multiply
    385.16x = 532.98 × 333.32
  4. Step 4: Simplify right side
    385.16x = 177,652.89
  5. Step 5: Solve for x
    x = 177,652.89/385.16
  6. Step 6: Final answer
    x = 461.24

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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.