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Finding the Fourth Proportional to 368.01, 550.56 and 307.65

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Solution

The fourth proportional to 368.01, 550.56 and 307.65 is: 460.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.01 : 550.56 = 307.65 : x
  2. Step 2: Convert to fraction form
    368.01/550.56 = 307.65/x
  3. Step 3: Cross multiply
    368.01x = 550.56 × 307.65
  4. Step 4: Simplify right side
    368.01x = 169,379.78
  5. Step 5: Solve for x
    x = 169,379.78/368.01
  6. Step 6: Final answer
    x = 460.26

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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.