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Finding the Fourth Proportional to 355.98, 536.07 and 310.88

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Solution

The fourth proportional to 355.98, 536.07 and 310.88 is: 468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.98 : 536.07 = 310.88 : x
  2. Step 2: Convert to fraction form
    355.98/536.07 = 310.88/x
  3. Step 3: Cross multiply
    355.98x = 536.07 × 310.88
  4. Step 4: Simplify right side
    355.98x = 166,650.76
  5. Step 5: Solve for x
    x = 166,650.76/355.98
  6. Step 6: Final answer
    x = 468.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.