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Finding the Fourth Proportional to 536.88, 740.96 and 304.02

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Solution

The fourth proportional to 536.88, 740.96 and 304.02 is: 419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.88 : 740.96 = 304.02 : x
  2. Step 2: Convert to fraction form
    536.88/740.96 = 304.02/x
  3. Step 3: Cross multiply
    536.88x = 740.96 × 304.02
  4. Step 4: Simplify right side
    536.88x = 225,266.66
  5. Step 5: Solve for x
    x = 225,266.66/536.88
  6. Step 6: Final answer
    x = 419.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.