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Finding the Fourth Proportional to 536.24, 741.03 and 387.35

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Solution

The fourth proportional to 536.24, 741.03 and 387.35 is: 535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.24 : 741.03 = 387.35 : x
  2. Step 2: Convert to fraction form
    536.24/741.03 = 387.35/x
  3. Step 3: Cross multiply
    536.24x = 741.03 × 387.35
  4. Step 4: Simplify right side
    536.24x = 287,037.97
  5. Step 5: Solve for x
    x = 287,037.97/536.24
  6. Step 6: Final answer
    x = 535.28

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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.