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Finding the Fourth Proportional to 361.04, 538.91 and 310.01

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Solution

The fourth proportional to 361.04, 538.91 and 310.01 is: 462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.04 : 538.91 = 310.01 : x
  2. Step 2: Convert to fraction form
    361.04/538.91 = 310.01/x
  3. Step 3: Cross multiply
    361.04x = 538.91 × 310.01
  4. Step 4: Simplify right side
    361.04x = 167,065.57
  5. Step 5: Solve for x
    x = 167,065.57/361.04
  6. Step 6: Final answer
    x = 462.74

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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.