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Finding the Fourth Proportional to 355.66, 534.25 and 240.32

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Solution

The fourth proportional to 355.66, 534.25 and 240.32 is: 361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.66 : 534.25 = 240.32 : x
  2. Step 2: Convert to fraction form
    355.66/534.25 = 240.32/x
  3. Step 3: Cross multiply
    355.66x = 534.25 × 240.32
  4. Step 4: Simplify right side
    355.66x = 128,392.60
  5. Step 5: Solve for x
    x = 128,392.60/355.66
  6. Step 6: Final answer
    x = 361.00

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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.