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Finding the Fourth Proportional to 464.01, 695.67 and 155.70

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Solution

The fourth proportional to 464.01, 695.67 and 155.70 is: 233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.01 : 695.67 = 155.70 : x
  2. Step 2: Convert to fraction form
    464.01/695.67 = 155.70/x
  3. Step 3: Cross multiply
    464.01x = 695.67 × 155.70
  4. Step 4: Simplify right side
    464.01x = 108,315.82
  5. Step 5: Solve for x
    x = 108,315.82/464.01
  6. Step 6: Final answer
    x = 233.43

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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.