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Finding the Fourth Proportional to 623.55, 935.59 and 334.65

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Solution

The fourth proportional to 623.55, 935.59 and 334.65 is: 502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.55 : 935.59 = 334.65 : x
  2. Step 2: Convert to fraction form
    623.55/935.59 = 334.65/x
  3. Step 3: Cross multiply
    623.55x = 935.59 × 334.65
  4. Step 4: Simplify right side
    623.55x = 313,092.10
  5. Step 5: Solve for x
    x = 313,092.10/623.55
  6. Step 6: Final answer
    x = 502.12

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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.