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Finding the Fourth Proportional to 536.88, 741.76 and 427.26

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Solution

The fourth proportional to 536.88, 741.76 and 427.26 is: 590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.88 : 741.76 = 427.26 : x
  2. Step 2: Convert to fraction form
    536.88/741.76 = 427.26/x
  3. Step 3: Cross multiply
    536.88x = 741.76 × 427.26
  4. Step 4: Simplify right side
    536.88x = 316,924.38
  5. Step 5: Solve for x
    x = 316,924.38/536.88
  6. Step 6: Final answer
    x = 590.31

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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.