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Finding the Fourth Proportional to 623.07, 934.55 and 350.86

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Solution

The fourth proportional to 623.07, 934.55 and 350.86 is: 526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.07 : 934.55 = 350.86 : x
  2. Step 2: Convert to fraction form
    623.07/934.55 = 350.86/x
  3. Step 3: Cross multiply
    623.07x = 934.55 × 350.86
  4. Step 4: Simplify right side
    623.07x = 327,896.21
  5. Step 5: Solve for x
    x = 327,896.21/623.07
  6. Step 6: Final answer
    x = 526.26

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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.