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Finding the Fourth Proportional to 536.84, 799.88 and 479.32

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Solution

The fourth proportional to 536.84, 799.88 and 479.32 is: 714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.84 : 799.88 = 479.32 : x
  2. Step 2: Convert to fraction form
    536.84/799.88 = 479.32/x
  3. Step 3: Cross multiply
    536.84x = 799.88 × 479.32
  4. Step 4: Simplify right side
    536.84x = 383,398.48
  5. Step 5: Solve for x
    x = 383,398.48/536.84
  6. Step 6: Final answer
    x = 714.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.