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Finding the Fourth Proportional to 368.01, 504.90 and 358.43

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Solution

The fourth proportional to 368.01, 504.90 and 358.43 is: 491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.01 : 504.90 = 358.43 : x
  2. Step 2: Convert to fraction form
    368.01/504.90 = 358.43/x
  3. Step 3: Cross multiply
    368.01x = 504.90 × 358.43
  4. Step 4: Simplify right side
    368.01x = 180,968.78
  5. Step 5: Solve for x
    x = 180,968.78/368.01
  6. Step 6: Final answer
    x = 491.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.