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Finding the Fourth Proportional to 361.65, 539.06 and 358.82

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Solution

The fourth proportional to 361.65, 539.06 and 358.82 is: 534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.65 : 539.06 = 358.82 : x
  2. Step 2: Convert to fraction form
    361.65/539.06 = 358.82/x
  3. Step 3: Cross multiply
    361.65x = 539.06 × 358.82
  4. Step 4: Simplify right side
    361.65x = 193,425.51
  5. Step 5: Solve for x
    x = 193,425.51/361.65
  6. Step 6: Final answer
    x = 534.84

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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.