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Finding the Fourth Proportional to 356.04, 531.55 and 301.36

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Solution

The fourth proportional to 356.04, 531.55 and 301.36 is: 449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.04 : 531.55 = 301.36 : x
  2. Step 2: Convert to fraction form
    356.04/531.55 = 301.36/x
  3. Step 3: Cross multiply
    356.04x = 531.55 × 301.36
  4. Step 4: Simplify right side
    356.04x = 160,187.91
  5. Step 5: Solve for x
    x = 160,187.91/356.04
  6. Step 6: Final answer
    x = 449.92

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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.