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Finding the Fourth Proportional to 554.32, 832 and 532.72

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Solution

The fourth proportional to 554.32, 832 and 532.72 is: 799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.32 : 832 = 532.72 : x
  2. Step 2: Convert to fraction form
    554.32/832 = 532.72/x
  3. Step 3: Cross multiply
    554.32x = 832 × 532.72
  4. Step 4: Simplify right side
    554.32x = 443,223.04
  5. Step 5: Solve for x
    x = 443,223.04/554.32
  6. Step 6: Final answer
    x = 799.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.