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Finding the Fourth Proportional to 464.32, 695.52 and 403.36

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Solution

The fourth proportional to 464.32, 695.52 and 403.36 is: 604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.32 : 695.52 = 403.36 : x
  2. Step 2: Convert to fraction form
    464.32/695.52 = 403.36/x
  3. Step 3: Cross multiply
    464.32x = 695.52 × 403.36
  4. Step 4: Simplify right side
    464.32x = 280,544.95
  5. Step 5: Solve for x
    x = 280,544.95/464.32
  6. Step 6: Final answer
    x = 604.21

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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.