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Finding the Fourth Proportional to 310.08, 464.82 and 283.35

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Solution

The fourth proportional to 310.08, 464.82 and 283.35 is: 424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.08 : 464.82 = 283.35 : x
  2. Step 2: Convert to fraction form
    310.08/464.82 = 283.35/x
  3. Step 3: Cross multiply
    310.08x = 464.82 × 283.35
  4. Step 4: Simplify right side
    310.08x = 131,706.75
  5. Step 5: Solve for x
    x = 131,706.75/310.08
  6. Step 6: Final answer
    x = 424.75

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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.